About Us

• Chongqing Dadong Longteng Automobile & Motorcycle Valve Manufacturing Co., Ltd. Is a private joint-stock enterprise, established in1993. Chongqing Dadong Longteng Automobile&Motorcycle Valve Manufacturing Co.,Ltd professional in producing the valves of vehicles, motorcycles, general machines and valve spring retainers, valve split collets. Our company covers about 50 acre, has more than 500 sets of various of high precision machining and testing equipment. The producing procedure of valves include integral series of totally enclosed operating from forge modeling? Heat treatment? Machining of metals? Hard alloy of resurfacing welding on both conical surface and rod end? Nitrogen treatment on surface? Finished products precision machining. The producing procedure of valve spring retainers and valve split collets include integral series of totally enclosed operating from raw material? Cold extruding? Heat treatment? Fine machining? Polishing treatment. Now we have our own fund 50 million(no any loan), have 1000 staffs. At present, the annual output is 30 million of various inlet and exhaust valves, more than 120 kinds of valves of gasoline machines, general machines, and valve spring retainers, valve split collets, Dadong has become the key enterprise of Chinese valve industry. Dadong is the main supplier for the vehicle motorcycle group such as BMW, Piaggio, Suzuki, Haojue, Zongshen, Loncin, Lifan for a long time, and exported a dozen of abroad countries as well, the products are trusted and well received by our customers. Tel: 0086-23-89034231 13637924039 QQ:1641504901 Skype:ivy-dq-valve Email: ivy_dq_valve at 126.com