... ZF transmission gearbox assembly and related parts for heavy-duty truck and luxurious bus5 Our products applicable for :Truck: Hongyan, Howo/Sino, Sinotruk, ... 70, QJ805, S6-80, S6-100, 16S and so on.7 Our main products:Gearbox aseembly, transmission, gear, sliding sleeve, synchronizer ... 70, QJ805, S6-80, S6-100, 16S and so on.7 Our main products:Gearbox aseembly, transmission, gear, sliding sleeve, ...