1.Provide stamping parts,tubing pipe,tooling and assembling 2.TS-16949 Certificated 3. ... to KEIHIN,HILTI,DEKIN density strengthen valve1)OEM/ODM parts: auto parts, motor parts, engine parts, computer,electronics,aerospace station,other industrial uses2) available surface ... few years' efforts, customers have already spread all over all parts of the country at present. density strengthen valve