... ring, cone ring, double cone ring etc)for ZF gearbox transmission ZF5S-150GP, 5S-111GP, 5S80, 5S120, S6-90, S6 ... 4 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 body ...