... .Machinery type:25~500ton 4.ISO 9001:2000 Precision stamping sheet metal fabrication partsIntroduction Tenders is a professional manufacturer ... related machine elements. ProductTechnics: cutting, bending, welding, punching, drilling, stamping, surface finishing, etc. Material: carbon steel, high carbon steel, ... painting, powder coating, logo printing, Zinc/nickel/chrome plating, hot galvanized, etc.