... metal tube s We are manufacter and supplier for tubing parts like metal tube chair frame, tube table bracket, tube chair ... bracket, tube rack, metal tube funiture parts, tubing furniture, tubular clothe stand, metal tube stool and tubular ... 4")Tube thickness: 0.8mm-3mmBend method : Mandrel bend, rotary bend, rolling bendCentral line radius: 1D-upBend radius: to ...