... OEM offered 4.competitive price low alloy steel covering board manufacturer namefoundation support sheetplace originjiangsumaterialS335JRweight4.2kgdimension(mm ... ,press ,engine lathe ,CNC center and meter lathe materials capability:cast iron ,ductile iron,carbon steel ,alloy ... steel, ordinary steel ,aluminum ,brass and its alloy materials. processing trade form: drawings ,samples and detail technical ...