... OEM service Our main products are as follows: 1. Chaolida truck and luxury bus transmission and spare parts manufactured by our ... , 9JS119, 9JS135, 9JS150, 9JS180, 11509C/F, 12JS160T and 12JS200T) 4. Jiefang transmission products (142, 6T53, CA640, CA680, CA950 and CA980) 5 ... -115 and HC6H-120) 6. Jiangshan gearboxes (JS850G and JS850B) truck parts double H valves