our company uses lost wax precision casting process, produce a variety of precision casting and processing of finished parts by standard of GB,ASTM, ASNI, BS, DIN, JIS. our product mainly include: instrument parts, Auto parts, Pumps& valves parts, Boats& Ships parts. Grand group has more than 100 CNC machining equipments. The annual production can reach to 1500- 2000 tons .90% of the products are exported (30%-Japan; 25%-Europe 20%-Korea;15%-USA;), We had become one of many 500 top company supplier.，the aim of our company is "to be the originator of integrity, to be the pioneer of industry."
lost wax investment casting of valve parts
China factory manufactured with lost wax technology investment casting for valve pump parts
factory manufactured investment casting of valve parts