Shanghai Naisu Bearing Manufacturing Co.,Ltd（NAISU） is specialized in production of various power tool bearings, and has delivered supporting products to many pneumatic tools and power tools manufacturers. Current supporting models including: 693zz, 625zz, 695zz, 696zz, 626zz, 608zz, 6000zz, 6001zz and 6201zz.

We provide supporting products for pneumatic tools and power tools that are characterized by low noise, high speed, C3 clearance and long working life. Power tools require bearings that generate less heat, have long working life and no need to add lubrication. We have years' experience in providing supporting products to power tools manufacturers, and the product quality compares favourably with imported products.