Supply of Guangzhou, Foshan, Dongguan, Shenzhen, Shantou, Shanwei, Chaozhou, Jieyang casting high-purity quartz ..

Supply of Guangzhou, Foshan, Dongguan, Shenzhen, Shantou, Shanwei, Chaozhou, Jieyang casting high-purity quartz sand abrasives supply of high-purity quartz sand casting sand-blasting abrasive casting include: investment casting, ceramic mold casting, metal casting, pressure casting, EPC . One of the more commonly used investment casting, also known as the lost wax casting: the choice of suitable investment casting material (such as paraffin) made investment casting; in the investment casting refractory repeated dip coating and sprinkled sand refractory process, shell hardening and drying; Then internal investment casting melt away, get baked shell cavity in order to obtain sufficient strength, and burn residual melt molding materials; casting metal material required; solidification cooling, after shelling sand, to obtain a high the accuracy of the finished product. Depending on the product needs or heat treatment and cold working and surface treatment.