HomeSupplier Discoveryarrow-rightTools & Hardwarearrow-rightDrill Bitarrow-rightApi Drill Core Factories & Companies
Filter
Category
More
Management Certification
More
R&D Capacity
Annual Revenue
More
No.of Employees
Province & Region
More
about api drill core
  • Technological Innovation
  • Reliable Supply Chains
  • Substantial Manufacturing Capabilities

api drill core200+ factories verified

Hebei Ruishi Bits Manufacturing Co., Ltd

20 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Tricone Bit, Drill Bit, PDC Bit
Country/Region:
Hebei, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Hebei Ruishi Bits Manufacturing Co., Ltd., was founded in 1990, it is a professional company engaged in diamond drill bit and drilling tool research and development, design and manufacture, sales and service of specialized company. The company is located in Renqiu city which is rich in oil resources, Renqiu is also the location of Huabei oilfield.

Shandong Yacheng Petroleum Technology Co., Ltd.

11 yrs
·Trading Company
Main Products:
Handling Tools, Solid Control Equipment, Cementing Tools, Drilling Tools, Downhole Tools, API 6A Valve
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Shandong Yacheng Petroleum Technology Co., Ltd. (YCPT) is a supplier of drilling equipment for the oil and gas industry, located in the second largest oil field in China - Shengli Oilfield in Dongying City. We are a subsidiary of Xincheng Petroleum Group, which is established in 2003. We are a first-class supplier in vendor list of CNPC, SINOPEC, and CNOOC, and member of CCOIC, CCPIT and so on.

Shaanxi Hainaisen Petroleum Technology Co., Ltd

13 yrs·5.0
·Manufacturer/Factory & Trading Company
Main Products:
PDC Drill Bit, PDC Cutter, PDC Insert, PDC Core Bit, Diamond Drill Bit, Diamond Cutter, PDC Bit, PDC Drilling Bit, Drill Bit, Steel PDC Drill Bit
Country/Region:
Shaanxi, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Shaanxi Hainaisen Petroleum Technology Co., Ltd is a high-tech enterprise with independent intellectual property rights. It was established in 2013. The total investment amounts to CNY 50 million.

CHANGZHOU LOYALTY INDUSTRY CO.,LTD

2 yrs·5.0
Main Products:
Servo Motor, Automatic Bottle Stretch Blowing Molding Machine With Accessories, LED Strip Lights, PVC Sheet
Country/Region:
Jiangsu, China
R&D Capacity:
OEM/ODM Service
Company Profile:
Changzhou changethink industry technology Co., LED and changzhou loyalty industry Co., Limited are with15 years experience specially in HOME TEXTILE MACHINES, NON WOVEN MACHINES, PLASTIC INJECTION MOLDING MACHINE, PLASTIC EXTRUSION BLOWING MOLDING MACHINE, ULTRASONIC QUILTING MACHINE, MULTI-NEEDLE QUILTING MACHINE, SINGLE NEEDLE QUILTING MACHINE, INDUSTRIAL PRINTING MACHINE, PLASTIC INJECTION MOLD, PLASTIC STRETCH BLOWING MOLDING MACHINE, PLASTIC RECYCLING LINE FOR PP FILM AND PET BOTTLE, FLEXIBLE LED STRIPE LIGHT, ALSO WE COULD ALL KINDS OF INDUSTRY PRODUCTS AND MACHINERY as export agent, we Changzhou changethink industrial technology Co., Ltd, are supplying top-ranking Chinese machines with full support by qualified manufacturers (quality, price & service).

Hejian Hengji Bit Manufacture Co., Ltd.

Main Products:
Tricone Bit, PDC Bit, Hole Opener, Steel Tooth Bit, Tricone Cutters, Drag Bit, Bit Breaker, Subs
Country/Region:
Hebei, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Hejian Hengji Bit Manufacture Co., Ltd is specialized in manufacturing high quality rock bit since 2001, especially for tricone bit, PDC bit, hole opener, single cone bit and drag bit. With advanced CNC machines and R&D team and on-time delivery. We have kept our clients ahead of schedule and under budget by providing the highest quality tools at the best possible prices. We ship to more than 40 different countries and serve industries such as Oil & Gas, water well, Construction, Mining, Horizontal Directional Drilling (HDD), Geothermal and Environmental. Our experienced staff is here to assist you with everything from choosing the right bit to shipping around the globe. Our goal is to provide our customers with the best quality tools, accessories and service in the industry. We are supported by many years of experience, trained professionals and a full machine shop. Reduce the cost, Speed the drilling, Guarantee the safety is always our aim. We have been always insist on"Hengji bit, focusing on quality"

Dongying City Kenli District Jinxiu Petroleum Machinery Co., Ltd

22 yrs·5.0
·Manufacturer/Factory & Trading Company
Main Products:
Sucker Rod, Drive Rod, Pony Rod, Polish Rod, Drill and Workover Rig and Accessories, Well Control Equipment, Well Head Equipment, Handling Tools, Mud Pump and Spare Parts, Bottom Hole Products, Downhole Tools, Flow Line Products
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Dongying Jinxiu Petroleum Machinery Co., Ltd (JX PETRO) was founded in 2005 with registered capital of RMB 50, 000, 000 Yuan in Shengli Oilfield, the oil equipment hub of China. JX Petro is a professional manufacturer and supplier of petroleum drilling and production equipment with API certification.

Xingtai Hengchang Tools Co., Ltd

26 yrs·5.0
·Manufacturer/Factory & Trading Company
Main Products:
Diamond Saw Blade, Grinding Cup Wheel, Diamond Core Drill, Diamond Grinding Wheel, Diamond Drill
Country/Region:
Hebei, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Xingtai Heng Chang Tools Co., Ltd, founded in 2001, covers an area of 18000 square meters, located in XingtaiCity, Hebei Province. The company is a high-tech enterprise which is specialized in R&D and production of diamondtools, including diamond saw blades series, grinding wheels series, geological drilling series, and mining tools, etc. There are more than 30 technicians in our company. And we have the overall advantage of advanced facility, modernized production and operation. Owing a good formula, advanced sintered technology, and unique weldingprocess, the company has met ISO9001 international quality system standards. We pay special attention to andguarantee the quality of products all the time. The company has its own self-management import and export rights. Our products have been sharing universal popularity and high reputation at home and abroad.

Goldenman Petroleum Equipment Co., Limited

21 yrs
·Trading Company
Main Products:
Drill Pipe; Heavy-Weight Drill Pipe; Drill Collars; Annular Bop
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Goldenman Petroleum Equipment Co., Ltd. is proudly situated in the picturesque oilfield city of Dongying, nestled in the vibrant Shandong Province of China. Over the course of 18 years in operation, Goldenman has not only solidified its presence in the industry but also established itself as a leading manufacturer and supplier of premium petroleum equipment. We boast our own state-of-the-art factories, where we specialize in crafting an extensive range of drilling strings, valves, Blowout Preventers (BOP), cementing tools, and various other accessories essential for oil drilling rigs. Each of our products is meticulously crafted to adhere to the stringent standards set by API (American Petroleum Institute) and ISO (International Organization for Standardization) certifications, ensuring unparalleled quality and reliability.

Shijiazhuang Jimai Machinery Equipment Technology Co., Ltd.

Main Products:
Drilling Rig, Drilling Equipment, Water Well Drilling Rig, Blowout Preventer, Borehole Drilling Rig, Water Well Drilling Machine, Petroleum Equipment, Pump Spare Parts, Mud Pump, Manual Casing Tong
Country/Region:
Hebei, China
R&D Capacity:
OEM/ODM Service
Company Profile:
Shijiazhuang Jimai Machinery Equipment Technology Co., Ltd is a large-scale professional manufacturer of drilling rigs and water well rigs in Hebei Province, China. It includes 5 series and more than 50 kinds of products. The leading products are: XY series core drilling rigs, JM series water well drilling rig, casing drilling series, as well as mud pumps, drill pipe series, etc.

Changsha Fast Drill Engineering Machinery Co., Ltd.

2 yrs
·Trading Company
Main Products:
Core Drilling Rig, Drilling Rig, Diamond Core Bit, PDC Bit, Geotechnical Investigation Drilling Rig, Mining Exploration Drilling Rig
Country/Region:
Hunan, China
R&D Capacity:
ODM Service
Sample Service:
Sample Available
Company Profile:
ChangSha Fast Drill Engineering Machinery Co., Ltd., a subsidiary of Hunan DiFan Geological Equipment Co., Ltd., has been based in the picturesque city of Changsha, Hunan Province, since its establishment in 2008. Our products are extensively used across various industries including geological exploration, hydropower construction, building surveying, drilling projects, oil extraction, coal mining, and mineral exploration. We specialize in the production of thermally pressed diamond drill bits, electroplated diamond drill bits, polycrystalline diamond compact (PDC) drill bits, reamers, geological drill rods, and pipes, as well as the operation of drilling rigs, water pumps, and related accessories.

Shandong Seaco Machinery Equipment Co., Ltd.

5.0
Main Products:
Oil Equipment, Drilling Tool, Rig, Wellhead Equipment, Steel Tubing Casing, Drill Pipe, Oil Extraction Machinery and Accessories, Valves and Fittings, Marine Spare Parts
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Shandong Seaco Machinery Equipment co. Is a fast-growing professional petroleum equipment manufacturer and supplier, integrating petroleum equipment development & application and oilfield technical service into one. It is located in China's second largest oilfield - Shengli Oilfield, center of the Yellow River Delta city - Dongying City, Shandong Province.

Wuxi Geotec Geological Equipment Co., Ltd.

17 yrs·5.0
·Manufacturer/Factory & Trading Company
Main Products:
Geological Mine Drilling Tools
Country/Region:
Jiangsu, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Our company GEOTEC WUXI was established in the year 1989, which is now the leading manufacturer of diamond core drilling equipment and tools in China.

Qidong Fengsu Drilling Tools Co., Ltd.

5.0
Main Products:
PDC Drill Bits, Drill Bits, Water Drill Bits, Oil Dirll Bits, Machine Spare Part, Tricone Drill Bit, Tire Core Bits, DTH Bits, Bits, Tools
Country/Region:
Hunan, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Hunan speedmade drill bit. Co, . Ltd has been in the drilling industry for 15 years, is a professional manufacturer specializing in drilling bit tools, integrating R&D, production and sales. Through hundreds of times tested by the rig, we observe the drilling condition of the bit and adjust repeatedly, we have developed more than ten products categories, hundreds of different drill bits. We can customize different products according to the needs of customs. Our goal is to improve drilling efficiency and reduce drilling costs.

Hejian Longyue Drill Bit Manufacture Co., Ltd.

11 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Drill Bit, TCI Tricone Bit, Stee Tooth Bit, PDC Bit, Roller Cones, Mud Motor, Hole Opener, Rock Reamer, Bit Stabilizer, Drag Bit
Country/Region:
Hebei, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Longyue Was established in 1998, located in Cangzhou which is in the industrial zone of Cangzhou city, and enjoys good location and convenient transportation. Longyue specializes in water well drill bits, oil well drilling bits, like: Tricone Bits (Steel tooth & TCI bit), Tri-cone Bit, Three cone bit, Tricone Drill bit, tungsten cabide inserted bits, Tricone rock bit, Milled tooth bit, Roller Cone Bits, matrix body PDC bits, steel body PDC bit, Reamer bit, drill pipe, drill collars, engineering bits, stabilizers, for water well, oil field, construction and underground foundation work all over the world. All of our products are in accord with API and ISO standards. <br/><br/>Longyue is registered with 10 million RMB capital, possesses over 1800 hectare area and 70 various manufacturing equipment. Our company has 100 employees, including three professors, 12 senior engineers and 37 intermediate technicians. <br/><br/>Advanced technology and equipment, excellent technicians, and scientific management will guarantee our products have superior quality, highly competitive prices and speedy delivery. Longyue products not only won the trust of domestic clients, but also are exported to USA, Middle East, South Africa. If you have any questions, please do not hesitate to contact us. Your any consultations will get our prompt and sincere reply. <br/><br/>We can design HY PDC bits by ourselves as your request and popular in the oil companies of domestic and overseas.

Puyang Zhongshi Group Co., Ltd.

29 yrs
·Manufacturer/Factory
Main Products:
Float Collar and Float Shoe, Cementing Basket, Stage Collar, Cementing Head
Country/Region:
Henan, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Restructured from SINOPEC in 1997, Puyang Zhongshi Group Co., Ltd has 18 years manufacturing experience of petroleum machinery products till now, we have competitive prices of our main products of casing accessories like bow spring centralizer, solid rigid centralizer, float equipment, cementing plug etc.

Xi 'an Tianyu Drill Bits Co., Ltd.

Country/Region:
Shaanxi, China
Company Profile:
Xi'an Tianyu Drill Bits Co., Ltd. is one specialized which is engaged in the drilling tool\cutting tooth development manufacturing sales and service in a body's import and export of high-tech enterprises.

Changsha Tianhe Drilling Tools and Machinery Co., Ltd.

24 yrs
·Manufacturer/Factory
Main Products:
DTH Hammer, DTH Bits, Casing Systems, Drill Pipe
Country/Region:
Hunan, China
R&D Capacity:
ODM Service
Sample Service:
Sample Available
Company Profile:
Changsha tianhe drilling machinery Co., Ltd. Was established in 2002. We are a professional geotechnical drilling production enterprise integrating scientific research, design, production, sales and management.

Dongying Lake Petroleum Technology Co., Ltd.

15 yrs·5.0
·Trading Company
Main Products:
Bucking Unit, Cementing Hose, Mud Pump Liner, Mud Pump Piston, Fluid End Module, Plug Valve, Swivel Joint, Hammer Union, BOP, Drilling Spool
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Dongying Lake Petroleum Technology Co., Ltd (Lake Petro) is a one-stop oil service company with 15 years of work experience in oil and gas fields. We have served over 300 clients in over 30 countries and regions, involving oil and gas, water wells, mining, geology, oceanography, etc. We commit to provide the best products and services to our customers worldwide.

Chenguang Machinery & Electric Equipment Co., Ltd.

5.0
Main Products:
Synthetic Diamond, Diamond Drill Bit, Diamond Cutting Disc, PDC Cutters
Country/Region:
Hunan, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Chenguang machinery &Electric Equipmemt Co., Ltd is comprehensive enterprise specialized in development, production, and marketing of ultra-hard materials.

Sichuan Weichuang Petroleum Equipment Manufacturing Co., Ltd

Main Products:
Drill Jar, Scraper, Valves, Fishing Tool, Drilling Tool
Country/Region:
Sichuan, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Sichuan Weichuang Petroleum Equipment Manufacturing Co., Ltd Was established in 2007 and is a high-tech enterprise specializing in the research and development, manufacturing, and innovative production of petroleum drilling and production equipment. The company integrates scientific research and development, promotion and application of new technologies, manufacturing, repair, and leasing of petroleum drilling and production equipment, as well as petroleum engineering technology services. It has successfully passed the American Petroleum Institute's API-7-1 and API Q1 certifications, as well as ISO9001: 2015 quality management system certification and other related qualification certifications. It is able to produce products and provide services in accordance with international quality management standards. Sichuan Weichuang Petroleum Equipment Manufacturing Co., Ltd is committed to providing customers with comprehensive products and technical services, and offering one-stop solutions to meet their diverse needs. The company strictly follows the ISO9001: 2015 international quality management system and API Q1 system standards to organize production, ensuring that every aspect from design, production to after-sales service meets high quality requirements. At the same time, Sichuan Weichuang Petroleum Equipment Manufacturing Co., Ltd focuses on technological innovation and R&D investment. The company has established a "Petroleum Equipment Joint R&D Center" with Southwest Petroleum University. After years of technological research and accumulation, it has obtained six national invention patents and 35 utility model patents, forming a core technology system with independent intellectual property rights. The new hydraulic thruster, hydraulic oscillator, shock absorber series, shock absorber system, infinite switch bypass valve and system, remote control variable diameter stabilizer and system, mud splash valve, drilling and scraping integrated tool, and internal blowout prevention tool developed by the company have achieved good results in on-site use in multiple large petroleum enterprises such as PetroChina and Sinopec, winning market recognition, trust, and support. In addition, Sichuan Weichuang Petroleum Equipment Manufacturing Co., Ltd has established long-term cooperative relationships with multiple oil companies and has been designated as a designated service unit by Sinopec Shengli Petroleum Engineering Company, Southwest Petroleum Engineering Company, Jianghan Petroleum Engineering Company, Zhongyuan Petroleum Engineering Company, East China Petroleum Engineering Company, PetroChina Great Wall Drilling, Western Drilling, Chuanqing Drilling Company and other units. And signed a strategic cooperation agreement with the Western Drilling Engineering Institute of PetroChina. Sichuan Weichuang Petroleum Equipment Manufacturing Co., Ltd always adheres to the business philosophy of "technological innovation as the foundation, product and service quality as the fundamental, honest operation and customer satisfaction as the purpose", and is committed to making every oil tool a boutique, ensuring that the product pass rate reaches 100%. In the future, Sichuan Weichuang Petroleum Equipment Manufacturing Co., Ltd will continue to adhere to the goal of providing customers with high-quality and efficient products and services, continuously improve its technological level and service quality, and strive to transform from a petroleum equipment manufacturer to a comprehensive energy solution provider, contributing wisdom and strength to the development of the energy industry.

Shandong Mingzhu Drilling Tools Co., Ltd

Main Products:
Drill Pipe, Heavy Weight Drill Pipe
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Shandong Mingzhu drilling tools is a specialized petroleum and equipment production enterprise integrating R & D, production, manufacture, sales and service. The company is founded in 2008 and is located in Dongying City, Shandong Province. The company covers an area of 500 mu and a building area of 210, 000 square meters. The total investment is RMB 10.60 billion. The company is mainly engaged in the production and sale of oil and gas and non - excavated drilling tools. The main products include drill pipe, drill pipe, drill collar, oil pipe, casing, etc. The products are sold all over the world and enjoy a good reputation. The company adopts international advanced production technology and manufacturing equipment. It has 1 line of advanced pipe end thickening production line, 1 steel pipe tempering heat treatment line, 2 drill pipe friction welding production line 2, welding machine as imported US - based friction welding machine; Oil casing processing line 1; Drill collar and weighting drill rod production line 1. Annual production capacity reaches annual production drill pipe 50, 000 tons, drill collar 5000 branches, all kinds of oil well pipes are more than 100, 000 tons. The company has obtained the certificates of API Q1, API 5DP, API 5CT, API 7 - 1, ISO 9001, ISO 29001, ISO - 1, OHSAS 18001, HSE etc. We are willing to provide you with the best quality products, the most competitive price and the best service to meet your requirements. Our goal is to establish a long - term, mutually beneficial business relationship with you and become your most stable supplier.

Shandong Vs Petroleum Technology Co., Ltd

Main Products:
Top Drive, Ibop, Whashpipe, Service Loop Power Loop Aux Loop, Drilling Equipemnt, Drlling Mud Pump, Top Drive Parts, Nov Parts, Tesco EMI 400 TDS-11SA/Varco Bpm Tpec SLC Jh, TDS-11SA Parts
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
SHANDONG VSP PETROLEUM TECHNOLOGY Co., Ltd. - Global Top Drive Solutions Provider

Sinotai Petroleum Equipment Co., Ltd

19 yrs
·Trading Company
Main Products:
Drilling Equipment and Spare Parts
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Sinotai Petroleum Equipment Co., Ltd (TS-SINOTAI) is established specially for serving Oil and Gas Industry by providing Drilling Equipment and Spare Parts. Our strength is at Drilling and Workover Rig, Rig Package and components such as TOP Drive, Traveling Equipment, Handling Tools, Well Control Equipment, as well expendable parts for Rigs, Mud Pump, BOP, etc. All TS-SINOTAI equipment is API certified and have been well tested and commissioned before delivery.

TIANCHENG METAL MATERIAL(TIANJIN) CO., LTD.

Main Products:
Seamless Pipe/Boiler Tube, Alloy Steel Seamless Pipe, API 5CT Petroleum Tubing Casing, Stainless Steel Seamless Tubes, Slotted Casing Seamless Pipe, API 5L Seamless Pipes, Home and Living Chair, Copper Tubes, Nickel Alloy Tube, Home and Living Table
Country/Region:
Tianjin, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
TIANJIN TIANCHENG IMPORT AND EXPORT Co., Ltd&TIANCHENG METAL MATERIAL (TIANJIN)Co., Ltd is one of Tiancheng Steel Subsidiary corporations since2008, TIANJIN TIANCHENG IMPORT AND EXPORT Co., Ltd&TIANCHENG METAL MATERIAL (TIANJIN)Co., LTDis Established on March 2017 &2022and Located in Tianjin, and help our factory to export steel & Tubes& Nickel Alloy & Copper Tube& Stainless Steel Tube & Fitting to other country, and enjoy government policy better, We establish Home and Living Chair& Table new business with our brother company in 2020;

Weifang Sheng De Petroleum Machinery Manufacturing Co., Ltd.

21 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Downhole Motor, Oil Drilling Bit
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Our company, founded in 1991, is a private joint-stock enterprise. The company is located in the international kite capital, with a covering area of 32 000 m2 and building area of 18, 000 m2. It is adjacent with the national Bailang River Wetland Park, and has a good geographical location with convenient traffic and beautiful environment.

Shandong Light Fir Machinery Equipment Co., Ltd.

Main Products:
API Pumping Unit Belt Long Stroke Pumping Unit, Blowout Preventer Bop, Power Tongs Manual Tongs Elavator Safety Clamp, Cementing Unit Cementing Truck Workover Rig, Shale Shaker Shale Shaker Screen, Sucker Rod Pony Rod Sink Bar Srp, Rubber Hose Control Hose Mud Drilling Hose, Cementing Tools Float Collar/Shoe Centralizer, OCTG Casing Tubing Drill Pipe Linepipe, Mud Pump and Spare Parts
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
SHANDONG LIGHT FIR MACHINERY Co., Ltd (LIGHT FIR) is located in Shengli Oilfield, Shandong Province, China.

Suzhou Energy Tool Co., Ltd.

Main Products:
PDC Drill Bit, Tricone Drill Bit, PDC Holer Opener, Tricone Hole Opener, PDC Reamer, Diamond Drilling Tool, Dht Hammer Bit
Country/Region:
Jiangsu, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Suzhou Energy Tool Co., Ltd. (short "EGT " ) is a high-tech company formed by a group of drill bit experts with over 20 years work experience in world top oil service companies such as  Smith, Baker Hughes and so on. EGT has cooperated with many research institutes and at home and has formed an advanced technological system basing on market-oriented and continuously promoting technological innovation and product improvement.
18