Guomao Speed Reducer Group is a large professional manufacturer of gearbox, gear reducer, screw jack in China, established 1993. All our products, such as jack, plastic extruder have been conformity with ISO9001:2008 standards ISO14001:2004 standard and OHSAS18001:1999 standard. ...
Telephone:0086-535-6511737
Address:No.55-1, Zhichu Road, Zhifu District, Yantai