1)Silica gel manufacturer & supplier of lost wax investment castings in stainless steel,carbon steel and alloy steel, is one of the Mesium-sizedprofessional investment casting production bases in China.2)We have ability of OEM casting service available according to customers requirements,and ability of machining, and the surface treatment. 3)Annually Production:more than 1000 tons Precision casting parts are exported to markets in America,Canada,Germany,Italy and Japan.