... , and complete inspection measures, has a set of strict management system, control methods and perfect quality ... -S planet gear speed reducers; B and X series of cycloidal planetary gear speed reducers; ZQ, ZD, ZL ... , ZS, and ZSC(A) series of cylindrical gear reducers; WXJ, and WD series, M-type and A-type vertical ... , S, K, R, F, and T series of modular reducers have come into operation in our company ...