Φ140mm PDC thrust bearings for downhole drilling

Φ140mm PDC thrust bearings are mainly used for guiding directional drilling tools. The bearings have long service life, small friction coefficient, strong load capacity, high temperature resistance, corrosion resistance, and can work in strong acid and alkali. The series of products are customized according to customers' needs, and can also provide one-stop service for customers' design and production according to customers' needs.

Company Profile

Guilin Star Diamond Super-hard Materials Co., Ltd. was established in 2007, specializing in the research, manufacturing, and supply of polycrystalline diamond compacts(PDC). Our company passed the ISO9001-2000 quality certificated system in 2008 and the product quality is strictly operated by following the system standard. In the same year, we obtained the title of national high-tech enterprise. Since 2007, the company has obtained 18 national patents, including 4 invention patents. In 2021, it became a professional, refined, distinctive, and innovative enterprise in Guangxi Zhuang Autonomous Region.

Based on the outstanding quality and continuously innovative development, Our company's mission and commitment are to improve the customer’s product competitiveness in the markets and bring an extensive development space for them.

Our company products include a full range of PDC compacts, PDC drill bits, PDC thrust bearings, PDC radial bearings, PDC submersible pump bearings, wind power PDC bearings, and ocean water power PDC bearings and so on. These products are widely used in the field of oil and gas well drilling, coalfield mining, wind power generation, seawater power generation, excavation for the railway, road construction, hydraulic construction, and other fields.

Since company establishment, we have brought in many scholars, experts, the front- line engineer, and technical personnel who have been engaged in the research and production of superhard materials for a long time. With strong capabilities of independent research, we have widely cooperated with many foreign companies in the USA, Canada, India, and Korea as well as the China University of Petroleum, SLOF(Shengli Oil Field)Well Drilling Research Institute, National Test Center of Synthetic Diamond in Jilin University. We take the lead in the same industry at home and abroad With the development of long service life, high efficiency, and excellent performance PDC products.

Guilin is a very beautiful historical and cultural city. We look forward to meeting you at the Li River side