Yuncheng ChangDa Steel Balls Co., LTD. is a professional large-scale manufacture of all types of balls,integrating development and production together .Our parent company are ShenZhen and FoShan ChangDa Steel Balls Co.,LTD. Our products mainly include steel balls (0.5 mm-100 mm), solid stainless steel balls (0.1mm-480mm), hollow balls(6mm-8000mm), bearing steel balls (0.8mm-150mm), brass balls(6mm-2500mm), balls of pure copper,(6-2500mm)aluminum balls(2-500mm),metal-coated balls (0.4-480mm chromium, nickel, copper, zinc, gold and silver), drilled balls(2-8000mm),stainless steel sculpture...