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About STP

What we do

STP is the top 500 manufacturer, the largest cylinder liner kit manufacturer in China, with the know-how of Euro-V, Euro-VI, EPA2013 Cylinder liner kit, with the producing capability of 10million pieces piston, 180million pieces piston ring; certified by ISO/TS 16949; ISO14001; ISO10012:2003; OHSAS18001; TUV etc.
the automatic streamline producing workshop with 1400 pieces numerical control machine which are the state-of-art, imported from Germany, Japan to guarantee the quality; the first production line of chrome-ceramic galvanize technology, azotized and PVD production line; employed the advanced management system of 5S, TPM, 6 Sigma pro etc.


We deal with dozens of famous brand, are the largest distributor of most of brand.

HONOR WITH TRUST, STP invested more than 7% of revenue as the R&D fund annually, is granted more than hundreds patents,
also contribute the philanthropy for years, awarded by government with assorts of honor certificate.