KERUI WELLHEAD EQUIPMENT INTERNATIONAL TOP-CLASS SUPPLIER OF WELLHEAD AND WELL CONTROL SYSTEM

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1 KERUI WELLHEAD EQUIPMENT INTERNATIONAL TOP-CLASS SUPPLIER OF WELLHEAD AND WELL CONTROL SYSTEM

2 MORE EFFICIENT IN OIL & GAS EXTRACTION Kerui Group is an international enterprise which devotes itself to petroleum equipment and oilfield services industry. The business scope of Kerui includes the R&D and manufacture of petroleum equipment, system integrated solutions & comprehensive service, and EPC project for worldwide oilfield.at present, Kerui is one of the largest petroleum equipment manufacturer, technical service supplier and oil & gas processing contractor in the oil & gas exploration and development industury of China. With the mission of "More Efficient in Oil & Gas Extraction", Kerui dedicates itself to providing the most suitable solutions, best services and products for the oilfields worldwide. The vision of Kerui is to become the world's top integrated solutions provider in oil & gas exploration and development industry, so that we can create more and more clean energy all over the world which is the value of existence for Kerui to set up and carry out.

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4 OVERVIEW Shandong Kerui Well Control Equipment Manufacture Co., Ltd.(Kerui Well Control Company hereafter) is a subsidiary of Shandong Kerui Holding Group. Kerui Well Control Company has advanced production & processing technology, and perfect quality management system, and has obtained the API qualification as well as ISO 9001, DNV, GOST and ASME certifications. The design, manufacture, testing and quality control processes are fully in accordance with the requirement of API 6A, API 16A, API 16C, API 16D and other related standards and specification. Kerui Well Control Company can provide wellhead and well control equipments for both onshore and offshore platform, such as wellhead & Christmas tree, BOP, high pressure manifold, remote control system of BOP, wellhead control panel, etc. Our products can be up to 20,000 PSI working pressure, which meet the requirements of API SPEC 6A material class of AA~HH, temperature level of K~V, X, Y, product specification level of PSL1~4, performance requirement of PR1~2, and also fully be in conformity with the resistance to corrosion of NACE MR Kerui Well Control Company has currently 38,000 m 2 workshop, which has advanced CNC machines,pr2 testing system, Fronius overlaying welding system and more than 100 sets of other equipments. The R&D team, which contains more than 100 experienced engineers, can design and develop the full range of products as required from customers, and also provide the complete technical solutions.

5 CERTIFICATES Kerui Well Control Company convinces profoundly that the quality of products is important for the safety and protection of people's health and property. Our commitment to quality is the one that concentrate our resources and put our heart and soul into providing customers with high-class products, make the design, manufacturing, inspection and testing of our products be in accordance with customer's requirements and conform to all relevant international standards and specifications. In fact, the current industry standards cannot consider comprehensively about the possibility of reduced performance in the working condition and the cause of the decline in the quality. In order to make the products comply with users' requirement, we recommend that you keep in contact with our technical teams who will help you to use our products properly and achieve more than expected service life API 6A 2 API 6D 3 API 16A 4 API 16C 5 API 16D 6 Wellhead TR Certificate 7 Mainfold TR Certificate 8 ISO ISO ISO 9001 PR2 Test certificate TS Certificate MORE EFFICIENT IN OIL & GAS EXTRACTION

6 RESEARCH AND DEVELOPMENT GLOBAL TECHNOLOGY DEVELOPMENT SYSTEM Kerui Well Control Company has three R&D centers worldwide, which are Kerui Well Control Company, Singapore Branch, and the United States Branch respectively. These R&D centers are full range of integrated R&D bases that further strengthen the technological advantages and attract industry outstanding technical talents. The centers focus on the new technology of future oilfield in order to provide global customers with high-class technologies and services. The international R&D centers have advanced technologies on wellhead and well control products such as compact wellhead, modular christmas tree, multipartite modular wellhead system, subsea wellhead, BOP, manifold, control system, etc.the three global R&D centers ensure Kerui Well Control Company have more advanced technology and R&D strength to support our business running all over the world

7 QUALITY CONTROL PROCESS QUALITY INSPECTION SYSTEM We carry out the project management system to strictly control the whole process of the project operation. By implement our qulity control system, we control each process point strictly from drawings review, material procurement, manufacture, factory acceptance test (FAT) to on-site 72 hours commissioning tests in order to guarantee our products quality Pressure gauge calibration Length measuring tools calibration Metallographic examination Chemical component analysis Universal tool microscope Chemical component analysis lab Hardness test Tension test Impact test MORE EFFICIENT IN OIL & GAS EXTRACTION

8 QUALITY CONTROL PROCESS QUALITY INSPECTION SYSTEM CMM(Coordinate Measuring Machine) PR2 test system High temperature test system Magnetic particle inspection Ultrasonic test API thread gauge Thread inspection Dimension check

9 WORKSHOP WORKSHOP MANAGEMENT Kerui Well Control Company has about m 2 currently and a R&D team, which contains more than 100 experienced engineers, can design and develop the full range of products as required from customers, and also provide the complete technical solutions International standard workshop Excellent team Efficient logistic management Marking Advanced workshop management Packing Pressure testing Shipment area MORE EFFICIENT IN OIL & GAS EXTRACTION

10 PRODUCTION EQUIPMENT ADVANCED PRODUCTION EQUIPMENT Kerui Well Control Company has advanced CNC machines, PR2 testing system, Fronius overlaying welding system, and more than 100 sets of other equipment, which are able to handle all the technical processing requirement of ouor products Horizontal CNC CNC lathe Fronius welding system Machining workshop Machining CNC workshop

11 WAREHOUSE MANAGEMENT ADVENCED WAREHOUSE MANAGEMENT Warehouse management is an important stage in production, and Kerui Well Control Company has adopted most advanced management system to make sure the production is successfully organized with assistance of warehouse management and the delivery time is ensured Parts warehouse Valve body Products arrangement Finished products parts Finished products parts MORE EFFICIENT IN OIL & GAS EXTRACTION

12 COMPACT WELLHEAD MODULAR WELLHEAD SYSTEMS(MW-I) The Modular Wellhead System (MW-I) is a multi-stage system that caters for different casing programs and working pressure. With option of being two or three stages, MW-I comes in nominal sizes ranging from 10 to 18-3/4 and working pressure from 3,000 PSI to 15,000 PSI. The Modular Wellhead System is easy to operate, safe and efficient. It is designed to confrom to API 6A and can be used both onshore and offshore, even under severe operating condition. REDUCED RIG TIME High speed connector, clamp connector and flange lock connector; The reduction of the connection in weldless diverter and BOP; Can save rig time as much as 50%. VERSATILITY Extremely versatile with the ability to accommodate different casing programs in a single system; Minimal requirement for running tools, excellent hanging capacity and good adaptability with wide range of tubing programs including single, dual or tension tubing hangers. SEAL CAPABILITIES Elastomeric S-seals or metal lip seals on packoff are available; Straight bore metal seal on tubing hanger neck; Standard API gasket seal on connector. ENHANCED SAFETY Reduced the number of BOP connections; Operation with BOP or diverter; High speed assembly, weldless slip-lock connectors are avaiable; Reducing exposure to potential open hole and tardy jobs. LOW MAINTENANCE Reliable, field proven design; No requirement for plastic packing or lock screws; Reduction of maintenance costs through continuous control lines.

13 COMPACT WELLHEEAD MULTIPARTITE MODULAR WELLHEAD SYSTEMS(MMW-I) The Multipartite Modular Wellhead System (MMW-I) is designed for double or triple wellhead configuration, which can be used in the process of drilling, completion and production. MMW-I system can be save up to 20% in cost of an individual well. On top of this, the system can reduce the size of the platform and increase the efficiency of producing oil. FLEXIBILITY Wide range of casing programs available. OPTIMIZED PLATFORM SPACE One, two or three independent wells can be drilled in the platform; Each well can contain single or dual completion; Modular compact wellhead design does not require multi-level platform. Smaller platform sizes and maximised use of existing platform slots. Modular design, interchangeable components. REDUCED RIG TIME Drilling and completion are independent between the wells; Commitment to the second (or the third) well is not necessary after spudding the first well; Each well can be maintained independently; Fewer connections than spool-type wellhead; Conventional drilling and completion procedures. ENHANCED SAFETY Reducced number of BOP connections; Operation with BOP or diverter; High speed assembly, slip-lock connectors are available. REDUCED INVENTORY Identical components for each well. 12 MORE EFFICIENT IN OIL & GAS EXTRACTION

14 CONVENTIONAL WELLHEAD STANDARD CONVENTIONAL WELLHEAD (SCW) Standard Conventional Wellhead (SCW) system is designed to provide flexibility and reliability for a wide range of surface applications. From low pressure wells to severe service and geothermal wells, SCW and christmas tree system suit any casing and tubing program to working pressure up to 20,000 PSI. Designed to fully conformed to API 6A requirements, SCW is safe, robust and cost efficient. TUBING HANGER SINGLE OR DUAL MANDREL HANGER WITH ESP, CONTROL/CHEMICAL LINE OPTION BODY/NECK WITH ELASTOMERIC/METAL SEAL. CASING HANGER SLIP CASING HANGER, AUTOMATIC SET MANDREL HANGER WITH INTEGRAL SEALS OR SEPARATE SEAL ASSEMBLY. SPOOL/HOUSING CONNECTION API OR PROPRIETARY FLANGES / CLAMPS. SPOOL BOTTOM CONNECTION ELASTOMERIC P SEALS, FS SEALS OR METAL SEAL. HOUSING BOTTOM CONNECTION SLIP ON WELD, SLIPLOCK, THREADED OR OTHER CUSTOMISED CONNECTION. CASING HANGER SCW and SCWE casing hanger offers a wide range sizes of slip style, wrap-around automatic casing hanger that is rated up to 10,000 PSI working pressure. They can be used in spools with or without lock screws and will accommodate the full API tolerances range for casing OD. The easy and robust design ensures reliable and smooth installation. There are options for special sizes combinationn and mandrel casing hanger design, which are available upon request. SCWE-type casing hanger SCW-type casing hanger TUBING HANGER SCW tubing hanger is highly customized to meet customer's requirement in all aspects including sizes, pressure rating, thread and BPV types, types of seals and portings for Electric Submersible Pumps (ESP), control lines, chemical lines and more. The hangers are designed to meet up to 20,000 PSI working pressure and high loading capacities. SCW tubing hanger

15 CHRISTMAS TREE The christmas tree manufactured by our company is used for controlling the wellhead pressure and adjusting the output of the oil & gas well, and also can be used for special operations such as acidification, fracturing, water injection, and high temperature steam injection and testing, etc. The christmas tree can meet different working conditions. It has reliable sealing and safety operation. The design, manufacture, experiment and quality control are all in accordance with the requirement of API 6A 20th edition. Performance Parameters: Sizes: 1-13/16 ~ 9 Pressure: 2,000 ~ 20,000 PSI Working medium: petroleum, natural gas, mud, gas containing H 2 S and CO 2 Working temperature: K~X (-75 o F ~ 350 o F) Matierial class: AA, BB, CC, DD, EE, FF, HH Product pecification level: PSL 1~4 Performance requirement: PR 1~2 Dual Tubing Solid-type Tree For dual string in oder to increase oil & gas production volume flow rate. 'Y' Shape Solid-type Tree For intergral production and fracture, the design of 45 degree can reduce potential leak path, save the space, and low erosion. 14 MORE EFFICIENT IN OIL & GAS EXTRACTION

16 SUBSEA WELLHEAD & TREE MUDLINE / SUBSEA WELLHEAD AND SUBSEA TREE Shallow water mudline/subsea wellhead and subsea tree has gained increasing interest by oil & gas operator in recent years due to significant time savings than conventional surface platforms and cost savings than deep water subsea systems. With Kerui's more advanced technologies, professional quality control and service, shallow-water mudlines/subsea wellhead and subsea tree system aims to provide the most comprehensive product and service package to customers worldwide. Mudline subsea wellhead and subsea tree provides the full capability for oil and gas exploration, temporary abandonment and tie-back option for prodction development. The system comes with metal and elastomeric sealing combination for enhanced reliability. With the option of diver assist, the system provides reliability to meet customer's operating needs. Subsea Wellhead Mudline Suspension Wellhead (MSW-I) Light Weight Subsea Wellhead (LWSW-I) Subsea Tree Vertical Subsea Tree(VST-I) Horizontal Subsea Tree(HST-I) Applications Product specification level: PSL 1~4 Working pressure: 5,000 PSI,10,000 PSI,15,000 PSI Matierial class: AA, BB, CC, DD, EE, FF, HH Temperature rating: K~U (-75 o F ~ 250 o F) Operating condition: Water depth below 500 m Manufacturing standard: API 17D, Q1, NACE and so on

17 VALVES GATE VALVE Kerui gate valve is designed as forged body, full-bore, and low torque, which is metal seal between bonnet and body, and between seat and gate, so that the gate valve has excellent abrasive wear and corrosion-resistance features. Gate Valve Type: Flat-gate type non-rising series gate valve Flat-gate type rising series gate galve Expanding gate valve Large hole gate valve with ball screw Performance Parameters: Nominal diameter: 1-13/16 ~ 9 Working pressure: 2,000 ~ 20,000 PSI Working medium: petroleum, natural gas, mud, gas containing H 2 S and CO 2 Working temperature: K~X (-75 o F ~ 350 o F) Matierial class: AA, BB, CC, DD, EE, FF, HH Product specification level: PSL 1~4 Performance requirement: PR 1~2 CHOKE VALVE The flow trim of choke valve is made from hard alloy, which can effectively resist the corrosion, erosion and cavitation of medium. Meanwhile, the valve has optimum features of antiblocking, adjustable control and flow circulation. It is used in drill manifold and production oil & gas to precisely control the flow rate. Choke Valve Type: Positive choke valve Needle adjustable choke valve Cage-type choke valve Plug-type choke valve PERFOMANCE PARAMETER: Nominal diameter: 2-1/16 to 9 Working pressure: 2,000 to 20,000 PSI Working medium: petroleum, natural gas, mud, gas containing H 2 S and CO 2 Working temperature: K~X (-75 o F ~ 350 o F) Matierial class: AA, BB, CC, DD, EE, FF, HH Product pecification level: PSL 1~4 Performance requirement: PR 1~2 16 MORE EFFICIENT IN OIL & GAS EXTRACTION

18 VALVE SAFETY VALVE Kerui safety valve is designed as forged valve body of KVL, and set pneumatic, hydraulic and electric actuator. Usually, safety valve can be used for the master and wing bore of christmas tree in platform and land. Safety valve is the fail-safe design one controlled by wellhead control panel, it can let the well open and emergency shut-down the well to protect the safety of people and property on a site. Safety Valve Type: Pneumatic diaphragm safety valve Pneumatic piston safety valvee Hydraulic single piston safety valve Hydraulic double piston safety valve Electric safety valve Self-contained safety valve Performance Parameters: Nominal diameter: 2-1/16 ~ 7-1/16 Work pressure: 2,000 ~ 20,000 PSI Working medium: petroleum, natural gas, mud, gas containing H 2 S and CO 2 Working temperature: P~U (-20 o F ~ 250 o F) Matierial class: AA, BB, CC, DD, EE, FF, HH Product specification level: PSL 1~4 Performance requirement: PR 2 Class I or Class II

19 WELLHEAD CONTROL PANEL We l l h e a d C o n t r o l Pa n e l ( W C P ), a E S D (Emergency Shut-Down) system, is installed near the well and used to effectively control the SCSSV(Subsurface Safety Valve), Master SSV(Surface Safety Valve), Wing SSV(Surface Safety Valve) and CV(Choke Valve) of the wellhead and christmas tree. It can realize the local/remote ESD(Emergency Shut-Down), and has the shutdown functions of the high and low pressure limit protection in flowline, fire prevention, H 2S leakage and so on. Single or multiple wells can be controlled. Furthermore, it can monitor the pressure and temperature of production flowline, then communicate data with the main control room, transmit the data to the remote distance, and also indicate and control through the touch screen. This WCP is in accordance with API SPEC 6A and RP 14C standard, meet the technical requirement of design, manufacture and testing. With the liable performance and easy operation, it can improve the safety on a site, save the labor cost, and protect the oil and gas resource. 4 Fusible plug Wing SSV Master SSV SCSSV Flow Line WCP 3 1 Wing SSV 4 Fusible Plug 2 Master SSV 5 Flow Line 3 SCSSV 6 High & Low Pressure Sensor Performance Parameters: Model Single well/ Multi-well/ Surface safety control system stacks Power Source Pneumatic/ Hydraulic/ Electrical / Solar power/ Manual Working pressure: 0 20,000PSI Medium Hydraulic oil/ Gas Pilot pressure PSI Ambient temperature -40oF ~ 140oF Mounting Area offshore/ desert / onshore Panel Material 304SS or 316SS Pipe material 316SS Component material 316SS IP grade IP65 1 Pneumatic Ex-proof area CLASS Ⅰ DIV Ⅰ/Ⅱ 2 Manual 3 Solar power 1 4 Electrical MORE EFFICIENT IN OIL & GAS EXTRACTION

20 KERUI CONVENTIONAL FRACTURING WELLHEAD KERUI provides the most advanced fracturing technical solutions and realize the synchronous development with the whole industry. The valves in the main path of our fracturing wellhead are KRSR structure, valve opening and closing laps is reduced by half as compared to the same type of valve, the valve seat seal uses the Bi-directional lip seal ring, the stem seal uses the PEEK material seals with a low friction coefficient and resilient metal stents. Hydraulic valve is disposed on the main path which can shut off immediately and safely during emergency by remote control. Union interface is disposed on the side outlet of fracturing head, which can be connected rapidly. The whole design is compact and can be maintained easily. Test valve is disposed over the fracturing head, which is convenient for testing and monitoring. Technical parameters & structure: Design & manufacturing standard: API6A-20 th Edition Product specification level: PSL1-3G Product performance requirement: PR1/2 Material class: DD EE FF HH, in conformity with API 6A and NACE MR-0175 Temperature class: L-U(-50 o F ~ 250 o F) Rated working pressure:15,000psi Applicable casing: 4-1/2"-7" Configuration instructions and drawings of conventional fracturing wellhead: 1,Main bore size: 5-1/8"(130mm), Side outlet size: 2-1/16"(52mm) 2,Main path contains: 2x KRSR master valves ( flat gate valve 5-1/8" 15,000PSI ), 1 x Remote control hydraulic actuated valve ( 5-1/8" 15,000PSI, it can shut off immediately when wellhead ruptured or leaking ), 1x KRSR test valve ( 5-1/8" 15,000PSI), and 1 upper crossover connector 5-1/8 15,000psi - 5FIG ,Fracturing tree is double-wings single valve structure- -Each side has 1 gate valve ( 2-1/16" 15,000PSI ) and each valve is connecting to a crossover adapter ( 2-1/16" 15,000psi -2FIG1502)

21 FRACTURING VALVE Performance Parameters: Size (mm) Nominal size (in) Working pressure(psi) A B C D weight (kg) 1-13/ / / / / / MORE EFFICIENT IN OIL & GAS EXTRACTION

22 FRACTURING MANIFOLD KERUI Vehicle mounted manifold can connect to more fracturing trucks, which greatly improves the efficiency of fracturing. The manifold is equipped with safety ladder and platform for easy maintenance. Hydraulic actuator system of valve enables remote operation, which reduces the risk of injury. Design features & advantages: Enhance operational safety Increase the number of executions daily fracturing Easy Operation Reduce the number of installation / removal Reduce pumping equipment downtime Reduce multiple fracture lines Conventional fracturing generic manifold drawing

23 FRACTURING HEAD Fracturing Wellhead is an very important equipment in the fracturing operation, and our design can be applied in the high pressure and high flow rate fracturing operation of deep well belowing 15,000 PSI,and with features of compact struture,convenient operation, high pressure resistance and abrasioin resistance. Performance Parameters: Main Techinical Parameters: Pressure:10,000 ~ 20,000PSI Main Bore size:4 1/16" ~ 7 1/16" Side Outlet size:4 1/16" Material class:aa BB CC DD EE FF Temperature class:p~u (-20 o F ~ 250 o F) Product Specification level:psl1-3 Product Performance requirement:pr1 ~ 2 Fracturing Head Outlet connection:union Connection Fracturing head Fracturing head Service we provide: A full range technical solutions for fracturing. After each 1-2 segment of fracturing, the service engineer will maintain the fracturing wellhead and valves. Except the above type of fracturing wellheads, we can also provide fracturing wellhead and fracturing valves:4-9, 2,000PSI- 15,000PSI. 22 MORE EFFICIENT IN OIL & GAS EXTRACTION

24 BOP ANNULAR BOP Annular BOP has taper type, spherical type, and combination type, which can seal the annular space between drill string and wellbore, seal the well completely, or operate the snubbing services. It can control the well hole pressure and prevent the flow from overflowing and blowouting effectively. Features and benefits are as follows: Can apply for all kinds of packing unit to meet the reqiuement of drilling services; Body are made from low alloy steel with high mechanical properties; Much rubber storage of packing units, low frictional resistance; The packing unit can be good interchangeable; Simple structure, and easy to change the pack units. Performance Parameters: Nominal diameter: 7-1/16 ~ 21-1/4 Working pressure: 2,000 ~ 10,000 PSI Working temperature: T-0,T-20,T-75 Working medium: petroleum, natural gas, mud, gas containing H 2 S and CO 2 RAM BOP Ram BOP has single, double and multiple ram type BOP, and is mainly used in drilling, workover and formation-testing services. It can prevent the wellhole flow from overflowing or blowouting effectively. The design and manufacture of the Ram BOP complies requirements of API Spec 16A and GB/T20174 completely. Features and benefits are as follows: Pack off the annular space between drill string and wellbore; Can seal the well head completely by blind ram; Can shear the drill pipe by shearing ram; Can pack off and hang the drill string; Can be controled by manual and hydraulic. Performance Parameters: Nominal diameter: 7-1/16 ~ 21-1/4 Working pressure: 2,000 ~ 15,000 PSI Working temperature: T-0,T-20,T-75 Working medium: petroleum, natural gas, mud, gas containing H 2 S and CO 2

25 CONTROL SYSTEM FOR BOP STACKS During drilling, BOP control system is used to control BOP or hydraulic flowout vavle mainly. The system includes remote console, driller's console, subconsole, air tube, pipe rock, high pressure manifold, protection room, etc. It can control the well outblowing and overflowing, and realize killing the well speedily, etc. The BOP control system is designed and manufactured according to SY/ T and API 16D standards. Main Features: The Remote Console is equipped with both electric and pneumatic power supply. The power supply is equipped with automatic control system and double protective device against overload. With four sets of accumulators, the system can work regularly with the rest 75% volume in case that one of them is out of order; A relief valve is installed to increase the safety of system, which is easy for disassembly and maintenance; Compact structure, reasonable configuration, easy to operate and clean mark. MANIFOLD CHOKE & KILL MANIFOLD During drilling, choke and kill manifolds are important well control equipments used for preventing the flow in well from overflowing and blowouting effectively, so implementing near balanced drilling. The choke manifold controls the casing pressure, maintains the balance of the downhole pressure through discharging the flow and decreasing the casing pressure, so the well is closed softly. The kill manifold can kill the well through pumping kill flow into the well in order to avoid the accident and guarantee the safety. General Parameters: Production specification level: PSL 3~4 Nominal diameter: 2-1/16 ~ 4-1/16 Working pressure: 2,000 ~ 20,000 PSI Working temperature: P~U (-20 o F ~ 250 o F) Matierial class: EE, FF, HH Working medium: petroleum, natural gas, mud, gas containing H 2 S and CO 2 24 MORE EFFICIENT IN OIL & GAS EXTRACTION

26 KERUI GLOBAL SERVICE AFRER-SALE SERVICE ACCESSORIES SERVICE To provide the whole process of service from product installation, commission, dellivery to the customers' training. We guarantee the timeliness and effectiveness of aftersale service with the servive promise that is 8 hours feedback and 24 hours face to face. EQUIPMENT REPAIR AND MAINTENANCE Relying on the global service organizations, more than 2,000 experienced engineers can provide integrated repair, maintenance services for customers all over the world. We set up the warehouses of spare parts in more than 30 countries and regions, and combine the professional international logistics and distribution platform to make sure that products which are needed by customers will be delivered in the shortest time. TECHNICAL SUPPORT Provide customers with integrated solutions to the technical problems faced in the maintenance, field testing equipment and production on a site. EQUIPMENT LEASING To provide the equipment leasing services for oilfield production and operation, such as resources integration, cost saving and funds help. At the same time, we can provide the solutions of finance lease and solve the problem. 57-International branch office 33-local service centers worldwide 7-technical support centers 8-hour quick feedback mechanism 24-hour face-to-face interacting on site fast international logistics

27 KERUI GLOBAL SERVICE Ecuador Venezuela Peru Singapore Colombia Venezuela Venezuela Indonesia Colombia Turkmenistan Algeria Uzbekistan QUALITY GUARANTEE Since the products sold within 18 months or installation of the product within 12 months (whichever occurs first), if the buyer can prove the product itself does have the design, material or manufacturing defects and lodge a written complaint against our company, our company will be responsible for the repair, replacement of defective products for free, however don't undertake the associated fees like labors, materials, equipment, engineering and other related expenses due to repair and replacement of defective products. This quality guarantee of our company can replace other express or implied form product quality assurance, and also can be regarded as the sole responsibility of the buyer and sole responsibility of the seller. 26 MORE EFFICIENT IN OIL & GAS EXTRACTION

28 COPYRIGHT BY KERUI PETROLEUM 24-hour free service hotline: Address: No.233 Naner Road, Dongying, Shandong, China P.C: Fax: Website: KRJK-E-OV-2015A