Material Special-grade or grade-one electrolytic tough pitch copper, featuring high purity and low impurity content Processing technologies Take our featured product - inner grooved tube for example Melting Sawing Milling Rolling Combined drawing line Spinner block In-line annealing Internal thread forming Winding Final annealing Manufacturing Equipment and Workshop Gallery Copper Coil Workshop Finish Annealing Workshop Copper Fitting Workshop Brass Fitting Workshop Aluminum Multi Port Extrusions Workshop Warehouse for Finished Aluminum MPEs Warehouse for Finished Copper Straight Tube Warehouse for Finished Copper Coil Tube