ZZCT manufactures precision-engineered tungsten carbide PDC bearings for downhole drilling tools. Designed for high-load, extreme-wear environments to optimize drilling efficiency and extend tool service life. Precision-ground and built-to-print custom manufacturing. Request a technical quote today.
There are two production processes we have for TC bearings, one is sintering process, and the other is surfacing process; the bearing that use surfacing process is more cost-effective and the service life is more than two times of that of bearing use sintering process.
© 2026 Zhuzhou Century Tool Co., Ltd. | Industrial Carbide Solutions from Zhuzhou, China
