... Ningbo Yinzhou Chaomei Machinery Parts Co., LtdWe are manufacter and supplier for tubing parts.Raw materials: stainless steel 201, 304, 316, ... 321, 409 etc carbon steel Q195, Q235, 10#, 20# ... tububar chair; tubular sanitary; auto parts; air conditioning; cooking ware, pipe fitting, machine frame, hand rail, ladder, craddle, bumper ...