GUOLE Precise Metals co.LtdSpecialized in manufacturing investment casting parts of carbon steel, alloy steel, grey iron and ductile iron,  high-precision parts for automobiles and motorcycles, stainless steel marine type hardware, stainless steel pipes, valves, stainless steel architectural hardware components,such as different material floor drains including brass floor drain, copper and nickel alloy floor drain, Accuracy founding stainless steel floor drain, pig iron floor drain and plastic floor drain, Pump parts etc. Our foundry is a reputable supplier in the field of precision casting parts.