| Customization: | Available |
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| Customized: | Customized |
| Standard: | API |
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Suppliers with verified business licenses
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| API Standard Size of Tricone/PDC Bit | |||
| Inch | MM | Inch | MM |
| 6 | 152.4 | 10 1/2 | 266.7 |
| 6 1/4 | 158.8 | 11 1/2 | 292.1 |
| 6 1/2 | 165.1 | 12 1/4 | 311.2 |
| 6 3/4 | 171.4 | 14 3/4 | 374.6 |
| 7 1/2 | 190.5 | 16 | 406.4 |
| 8 1/2 | 215.9 | 20 | 508 |
| 9 1/2 | 241.3 | 26 | 660.4 |
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.
The company has a group of drilling technical experts engaged in the research and design of diamond drill bits for many years, and equipped with five axis machining center, CNC machine tools, CNC sintering furnace, ring seam machine and other advanced production equipment, we are using domestic and foreign advanced professional design software, continuous innovation and sustainable development. The company has a complete production line of diamond and cone bits, with a wide range of product models, covering all sizes from 2 "to 26".
The company promotes total quality management and takes customer demand as the center. It fully implements ISO9001 quality management system, ISO14001 environmental management system and OHSAS18001 occupational health and safety management system in business operation. It strictly implements API Spec7-1 quality management standard in the production process. Ensure the stability of product quality and excellent performance.
As a first grade supplier of petrochina, CNOOC for many years, our products are widely used in Tarim, Tuha, Changqing, Dagang, Sichuan, Zhongyuan, Jidong, North China and other major oil fields, and we have established a long-term strategic partnership with them. Our stable and excellent product quality and timely and thoughtful service are highly recognized by users. At the same time, the company′s products are also exported to North America, the Middle East and Russia and other countries and regions.
Companies adhering to the "excellent quality, honest and trustworthy, improvement and innovation, satisfactory service" concept, is willing to cooperate with domestic and foreign customers wholeheartedly, mutual benefit and win-win for both parties.
Q:Are your company a trading company or manufacturing factory:
A: We are professional manufacture with over +30 experience
Q:Accepted Payment Terms:
A:T/T, L/C, Paypal
Q: Can I visit your factory online?
A:Yes, we can show our workshop, warehouse, offices online by WeChat, Whatsapp, or Skype
Q: Why Chose your company ?
A:Over +30 Years Experience
Factory Sell Directly,Good Price
Short Delivery Time
Good Export Team & Technical Team
One Years After Selling Service
Strictly implement API,ISO certification
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