Synopsis of Process Routing: DIN highly accurate, finishing rolled and bright seamless steel pipe is used as the pipe to be galvanized. The outer wall of pipe is cold galvanized. The caps are covered at two ends of pipe to prevent from the dust.Main Features: color of pipe: zinc white and color zinc (zinc yellow). The high brightness of pipe surface is obtained after galvanizing. A good property of antirust and anticorrosion on outer wall of pipe is reached.Main Application: used in automotive industry, and in the occasion where the high accuracy, brightness and anticorrosion property of the pipe are required.