1 stainless steel casting2 silica colloid techniques and water glass techniques3 as your drawing or sample4 material is stainless steel, carbon steel and alloy steel5 the mainly products are pump body,valves parts, impeller, marine hardware, construction hardware, auto parts parts and other precision casting6 We have tehnical person to design tools,cast,machine and polish casting.7 ISO 9001:20008 superior quality,attractive price,fast delivery and outstanding service