Liaocheng ZhuoYi Bearing Co.,Ltd, also named CoatMaster BEARING, As one of the China bearings manufacturer and supplier, CoatMaster focus on Research & Development and manufacturing general purpose and non-standard Rolling Bearings, Our products contains High precision Electrically Insulated Bearing, Pillow Block Bearing Unit, Sealed spherical roller bearings, Tapered Roller Bearings, Spherical roller thrust bearing, CARB toroidal roller bearings, Cylindrical roller bearings, Deep Groove ball bearing, Electrical Motor Bearing, Vibrating screen bearing, papermaking machinery bearing, concrete mixer truck bearing, excavator bearings, rolling mill bearing .

Bearing Quality. Depending on the complete testing technology and advanced equipment, CoatMaster guarantee the quality and precision of the bearings. it controls the quality starts from forging, controlled atmosphere spheroidizing annealing, turning process, controlled atmosphere salt-bath quenching, grinding process, It has its own material analyze and test laboratory, physical and chemical laboratory, precision measurement laboratory. It strictly follows management system of TUV ISO9001:2015 and TUV ISO14001:2015.