... of manufacturing ZL Series speed reducergearboxZibo City Boshan Wanxin Speed Reducer Co., Ltd. is a specially appointed enterprise producing ... ZQ, ZD, ZL, ZS, and ZSC(A) series of cylindrical gear reducers; WXJ, and WD series, M-type and A-type ... vertical worm gear reducers; YTC and YCJ speed reducing motors and Y- ... sold overseas, such as in Southeast Asia. ZS GEAR REDUCER