Chengdu Tianhui Valve Guide Manufacturing Co., Ltd.（formerly known as Chengdu Tianhui Fittings Co., Ltd.）was founded in 1992 and since then has been focusing on R & D, manufacture and sales of valve guides, rocker arms and precombustion chambers. With rapid growth in output and constant increase in demands, we now have consolidated our strength and become one of the world’s leading manufacturers of valvetrain components with most diverse models. Since 2003, we have been certified with and implementing QS-9000 international quality system. Currently, we are working on TS-16949 quality management system certification and are expected to be certified within this year. Overwhelmingly 90% of our production has been exported to the US and EU markets.

valve guides, gasoline engine valve guides, diesel engine valve guides, valve guides of different models, rocker arms & rocker shafts, precombustion chambers, valve seat inserts, valve seat insert OEM parts.