H.R.T co***ny is specialized in manufacturing steel ball,the product ***ail is as follows:Product:
Products:Chrome steel ball,stainless steel ball,carbon stell ball,glass ball,ceramic steel ball,brass ball and plastic ball.
2)Size:The size is from 0.5mm to 50.8mm,we can supply as your requirment.
3)Grade:
G5-G1000