| Customized: | Customized |
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| Standard: | API |
| Length: | Jobber-length |
| Samples: |
8-1/2" black and gold
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| Customization: |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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| Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Suppliers with verified business licenses
Audited Supplier
Ruishi owns full production lines of PDC bit and core bit, which is covering all size of the 2"-26" bit.
| 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 |
The company has a number of experts experienced in diamond bit design of drilling technology, and is equipped with 5-axis machining center, NC lathes , NC sintering furnace, Ring sewing machine and other advanced production equipment. We are using domestic and foreign advanced professional design software, and doing continuous technological innovation and sustainable development.
Ruishi has been promoting the comprehensive quality management and focus on the customer's demand. In order to ensure the stability of quality and the excellent performance of the bit, we strictly comply with the ISO9001 quality management system and ISO14001 environmental management system and OHSAS18001 Occupational health and safety management system in the enterprise operation, and strictly implement API Spec7-1 quality management standards in the process of production.
It is usually packed in Iron boxes or wooden boxes, and can also be customized according to customer requirements
Innovative Development Strategist
Hebei Ruishi Bit Manufacturing Co.,Ltd, as a manufacturer of bit with strongest comprehensive strength in North east areas of China.
The company was established in 1990 with strong scientific research strength advanced production equipment , professional CNC machine tools.. Microcomputer automatic temperature control welding furnace advanced four-axis linkage and five-axis numerically-controlled processing center. It has a group of technical experts engaged in bit study design and manufacturing for many years which have developed and manufactured leading PDC bit, tricone bit and PDC clad sheet at home and abroad.
Hebei Ruishi has established PDC clad sheet factory and tricone bit factory through rolling development for 25 years, which has laid solid foundation for the future development of the enterprise. Annual productivity of bit has been in the first place in North China successively for many year. Ruishi Bits has won wide recognition and trust of oil and gas field ,mining industry, geothermy and abroad with excellent quality and honest after-sales service.
The company insist on quality -oriented has become the leader of the industry based on the development strategy of honesty mutual benefit and win-win.
Science and technology promotes the enterprise quality in goal.
Hebei Ruishi has an innovation mind in design, Old experts engaged in bit research for many years university students and masters graduated from famous schools have fully demonstrated their talents in Ruishi Bit Co., Ltd
In the same kind of product in : aspects of abrasive action, drilling cost per meter, adaption to stratum,rate of penetration,impact resistance. Quality is the life of Hebei Ruishi and Hebei Ruishi has penetrated the idea of producing bit lean into the whole process of the manufacturing system based on this aim to produce . Every piece of bit it puts quality before quantity.
In the aspect of material selection all approaching materials will be strictly controlled by quality inspectors to avoid all disqualified raw materials .It is lean in the aspect of process, every process into every detail . It is meticulous in the aspect of finished product inspection to inspect strictly in accordance with technical specification and sub-quality.
Products will definitely not leave the factory .Strong sense of responsibility is rooted in the hearts of employees and team idea has been deeply impressed in the mind of every people. People of Ruishi has built the famous and brilliant brand of Ruishi under the leadership of company leaders based on people-oriented,mutual cooperation,lasting improvement.
Honesty Forge ahead with determination
We have never been satisfied with the praise of customers. We are willing to become the best supplier in the minds of customers. Sales service network of Ruishi Bits has formed widest and closest sales and service network in China. Taking Hebei of China as the center to radiate all places of the nation it has brought timely and high -efficient service for most of customers.
When improving the quality of products, it has constantly enhanced the standard of sales service. Products have been exported to many nations and regions such as North America,Europe,Africa,South America ,Middle East which have won recognition and vigorous recommendation of customers all over the world.
Leading the market Unstoppable
As people of Ruishi keep their feet on the ground it has gotten through API certification, France BV certificate and China ISO 9001 certification,patent certificates which is the first grade supplier for goods and materials of PetroChina and Sinopec. Every bit accumulates arduous sweat of people of Ruishi.
Every bit demonstrates gorgeous appearance of people of Ruishi. Every order affirms the excellent quality of" Ruishi". Every honor show the charm of the brand of "Ruishi"
Steady personality makes it stand erect in the business sea. Honesty service makes it develop and grow in the bit industry. Hebei Ruishi develops continuously facing with rapidly changed market to products classics. It steps into magnificent and glorious tomorrow with keen eves. Aggressive attitude and pace that can not be stopped.
The company will participate in the relevant oil equipment exhibition every year, has been to: the United States, Russia, Iran, Singapore and so on
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
Suppliers with verified business licenses
Audited Supplier 
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