Winking is a leading supplier and exporter of aluminum tube, coppertube and spare parts used in air conditioning, refrigeration andautomobile industry, with major products covering: -Aluminum Tube/Pipe -Aluminum Sheet -Radiator Tube -Microchannel Flat Tube -Copper Tube/Pipe -Copper Fittings -Copper Insulation Tube -Insulation pipe/sheet -Aluminum Tape -Fastener Let's work together to embrace the world.