Yuhuan Gench Engine Valve Co. Ltd is a manufacturer with 20 years experience in producing engine valves.

Our location is in Chinese Auto Spare Parts Industrial Base- - - Damaiyu Economic Development Area, YUHUAN ZHEJIANG PROVINCE. It is in the south of Shanghai, Hangzhou, Ningbo, Huangyan airdrome and port, North of Wenzhou airdrome and port. So our traffic and ocean shipping are very convenient.

Gench factory was founded in the year of 1988 in Kanmen Industrial Zone. Its original name was “Yuhuan Engine Valve Co. , Ltd”.
And its name was changed to “Yuhuan Qilin Engine Valve Co. , Ltd” in the year of 1998.
In the year of 2008, The main mainstay and directors which managed Qilin Valve factory and Changjiang Valve factory before, They investted eight millions RMB then founded “Yuhuan Gench Engine Valve Co. , Ltd” together in Damaiyu Economic Development Area in Yuhuan.

Presently, Gench Valve manufactures approximately 1500 part numbers engine valves for the following: ...[More]High performance racing cars.
•Motorcycles.
•A very wide range of heavy duty trucks.
•Tractors.
•Industrial engines.
•A wide range of Japanese, Korean, American, And European cars.
•Special valves for tank engines and military vehicles.

The size limit of the valves is 15- 120mm head diameter, 4- 25mm stem diameter and 45- 450mm length.
Approximate time of delivery is 25- 45days after prepayment.


Gench Valve annual production capacity at present is approximately 6, 000, 000 pcs. We are not only supplying our engine valves to Chinese engines and vehicles manufacturers, But also selling well all over the world.
We according to Germany advanced technology when producing, Introduced advanced PLC computer- Controlled production line; French vacuum heat treatment furnace, Germany QPQ salt bath nitriding; Bi- Metal welding equipments; Tufftriding equipment, Lapping machines, High precise servo press grinding machines, Automatic profile modeling CNC grinding machines, NIKON Metalloscope, MITUTOYO Profilometer, Germany Hommel Surface roughness tester and Roundness measuring instrument, Lossless ultrasonic inspection, Intellectualized metallographic Analyzer, Digit display rockwell Hardness Tester and so on.
Our factory only purchase Austenite and Martensite special steel from Japanese, Germany and Chinese first- Class steel factories and import stellite cobalt alloy from America in order to provide superb and stable valves to clients. We according to ISO/ TS16949: 2000 when producing and according to QG/ 469- 2002 and JB/ 6012 when checking. So our engine valves are sold well all over the world, For example: Europe, North America, Africa and Asia.


In future, Gench Valve will keep on our management philosophy “Independent research and development, Create first- Class brand, Clients come first, High quality and competitive price”. We will realize process to be roboticized , Build more international workshop and equipments, And to be the world- Wide well- Known brand in future development. We promise to offer valves with best quality, Competitive price, Favorable service and consummate credit to every client.

We warmly look forwards to every Chinese and foreign customer’s incoming phone and letter.
We warmly welcome every Chinese and foreign customer to visit our factory and direct our work.