Q.R. Precision Steel Ball is a leading manufacturer of precision steel balls in china. Q.R.'s products and services have achieved the confidence and goodwill among many customers who require high-precision steel balls. The factory of Q.R. Precision Steel Ball covering 1,000 square meters,which allocated with the most advanced machinery and facilities, with the approvals of ISO-9001/ISO14000 and TS-16949.
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ZHONGSHAN QIANRUN PRECISION STEEL BALL
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