high-grade copper Exported to Europeon and North American market CE approved (1) 12"*90 degrees shower arm, heavy duty chrome plated brass ... color red annealing site, and then cooling, pay attention to controlling deformation bruised elbowproblems; d.the formation of bends: ... to submit a scale, and finally form a bend; e.pipe polished, chrome plated, high-quality finished form. 12"90 degrees ...