Mianyang Tianxuan Valve System Co.,Ltd.

Our company is professional manufacturers to produce valve system parts, such as valve rotator, valve seat, valve guide, valve spring retainer, split collar, chain sprocket, bush?valve rocker arm, valve tappet, ect. , esp. valve rotator and valve seat, ours is both No.1 valve rotator maker in China, acquiring 80% stock of domestic market  and a second largest valve seat producer in China.