... casting ;cast steel lost wax casting and sand casting, casting part will be machined by CNC according to the drawing or ... GB/ASTM/ANSI/BS/DIN standard,we can cast the part according to your drawings and requirement. We machined by ... chemical,construction,metallurgy,boat,machinery,hydraulic pressure parts,hardware,blast shelter box,electromotor parts,electric tool,valve,flange,air conditioner joint,etc ...