... material certification, test report and related files. Precision Die Casting Part Verified Information This information is Verified by TÜV ... Pieces / Month, Welding Structural 50,000 Pieces / Month, Automobile Stamping Parts 800,000 Pieces / Month Gearbox 5,000 Pieces ... Valve 5,000 Pieces, Welding Structural 200,000 Pieces, Automobile Stamping Parts 5,000,000 Pieces Export Market Distribution: Market ...