... operation rights4 industry of our company:Chinese manufacturer of ZF transmission gearbox assembly and related parts for heavy-duty truck and ... , 16S and so on.7 Our main products:Gearbox aseembly, transmission, gear, sliding sleeve, synchronizer hub, synchronizer body, Synchronizer cone, clutch ... -90 gearbox S580 gearbox Our Field : ZF S5-70 (QJ705) Transmission gearbox