1. ISO9001:2008 2.manufacturer 7 years 3.zf gear box(caja de cambios zf) 4.5S111GP,S690,QJ805,5S150GP,S580, ... , XMQ, XML,Sunwin etc.6 Our products applicable for gearbox model:ZF5S-150GP, 5S-111GP, 5S80, 5S120, S6-90, S6-150 ... and so on.7 Our main products:Gearbox aseembly, transmission, gear, sliding sleeve, synchronizer hub, synchronizer body, Synchronizer cone, clutch body ...