API standard Seat & valve are one of our staples. High performance valve and seat are available from our company with the following feature:
a. Be fully interchageable with original; strictly followed the standard of API.
b. Friction welding techniques is used to make sure the valve is more heavy-duty and handsome.
c. UBE gas carburing quenching chamber furnace―new heat-treated equipment & technique introduced from Oriental Engineering Co.,Ltd..

