... for tubing parts like metal tube chair frame, tube table bracket, tube chair bracket, tube rack, metal tube ... for many applications.Raw materials: stainless steel 201, 304, 316, 321, 409 etc carbon steel Q195, Q235, 10#, 20# ... anodizing, plating,etcApplications: furniture, music instruments, medical, leisure, entertaiment,etcKindly send inquiry for more information today! 304 steel tube chair frame