... Ltd. is a professional manufacture of water glass precision castings ,including carbon , alloy and stainless steel .We cast ... DESCRIPTION: 1 Technology: precision casting; investment casting; water glass; lost wax 2 Standards: ASTM, AISI, BS, DIN, JIS, NF ... ,3D paralleling vibrating casting machine,arc welding machine, wax injection machine,spraying sand machine,etc; 9 Machiningequipment: ...