... 3mm to 60mmMaterialChromium, Mn, Mo, 9Cr18,3Cr13, stainless steel, SUS201/304/316,Copper, aluminum, Titanium alloy ... company with industry and trade integrationMain ProductsGrinding Steel Ball, Mild Steel Ball, Casting Steel Ball, Ball Bearing, Valve Ball etc.Producing ... sophisticated engineer and dedicated QC.About usOur company was founded in October, 2000, specializing in the production ...