wool felt cone polishing 1)wool felt bobs,polishing felt ... drill Welcome to Nangong Huari Felt Factory wool felt cone polishing1)wool felt bobs,polishing felt bob 2) ... according to customers' requirement, select different quality class, high density felt, is cut by mechanical stamping mill, made ... polished subject's inner, outer, Corner, groove, arc, cone angle of the inner wall of the mill special mold ...