The city of tin, metallurgy, ltd. Is registered at room b 222, south road, no new zealand city, room 32-1. The registering authority is developing a high-technology industrial zone for tinless countries. It operates a variety of imported, domestically produced alloy steel, stainless steel, carbon steel pipes, plates, rods, models, plumbing fittings and welding materials, products such as seamless pipes, straight pipes, alloys / high-voltage boilers, and a special piping for purple plates, which are in sufficient stock, of good quality and sufficient specifications to meet the needs of customers。