Hebei Ruishi Manufacturing Co., Ltd was established in 1990.
It is engaged in diamond drill bit and drilling tool design, manufacture and sales.
It is a first-class supplier for Sinopec, CNPC.
It is located in Renqiu of Jizhong Plain where the oil resourses is rich.

Ruishi company is equipped with:
5 axis machining center; CNC machine tool; CNC sintering furnace; circumferenial sewing machine and other advanced production equipment.
We are using domestic and foreign advanced professional design software to doing continuous tehnological innovation and sustainable development.
Ruishi owns full production lines of PDC bit and Tricone bit of various sizes.

In 2012, we obtained our first API certificate. We are one of the earliest in China to obtain it in the drill bit industry. We strictly implement API Spec 7-1 quality management standards in the production prcess. during the operation of the bits. We also strictly comply with:
ISO9001 Quality Management System;
ISO14001 Environmental Management System;
OHSAS1801 Occupational Health and Safety Management System.