... 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# etc al ... , wire carrier, grab etc.Send inquiry for more information today! Stainless steel tubular frame,supporting frame