Our main items are pumps,valve,and Mechanical parts.we adopt themost advanced domestic all colloidal silica investment castingtechnology in the wax of precision casting, use the assembly linesof Resin Sand and the Sand Coated Iron Mold in sand casting. Weexecute GBï¼HG, SH, American standard ASTM,AISIï¼Germany standardDINï¼French standard NFï¼JIS, British standard BSï¼Australian standardAS and other countries and industry standard operation. Weresupplied with a full set of testing equipments, including ImportDirect-reading Spectrometer, Magnetic Particle Testing Machine,X-ray Flaw Detector, Three-coordinate Measuring Machine, UniversalTensile Tester, Physical and Chemical Analysis Device , etc.