ZWZ BEARING GROUP PRECISION ROLLER MANUFACTURING BRANCH

Wafangdian Bearing Group Co., LTD. Steel ball manufacturing branch (referred to as  ZWZ Group steel ball Branch) was established in 1949, is a state-owned wholly-owned subsidiary (branch) of ZWZ group. The company has more than 100 employees, covering an area of 14,000 square meters, with total assets of 80 million yuan, more than 200 sets of professional steel ball manufacturing and testing equipments and an annual production capacity of 5,000 tons.

ZWZ mainly produce CRB,TRB and SRB roller . The diameter of roller is 10mm-200mm. The annual capacity is 60 million pcs . Rollers are provided to locomotive , cargo , passenger train . Automotive gearbox , heavy truck bearing , precision machining bearing , wind power bearing , special bearing , metallurgical , mining machines bearing etc ., high - speed wire rod bearing , metro bearing and high - speed rail .

Key technology
ZWZ purchased British Taylor roundness instrument and roughness profile instrument to inspect all kinds of dimension precision and geometric precision . By the ZWZ national bearing
inspection center , ZWZ does the inspection for lifetime of roller , metallographic and destructive inspection . Assure high reliability and high precision of the roller . ZWZ acquired the certificates
of ISO9001,ISO /TS16949,ISO/TS22163,ISO14001,OHSAS18001.