The main operation of chongqing dynamite and new materials ltd. Distributes two main plates, the engine parts and the alien-lined engine parts, which mainly produce gas door locks and upper and lower seats. The models include various domestic and foreign models, such as aeroplanes, motorcycles, cars, motor diesel vehicles and piston drones. Alien wires are specialized in the manufacture of a variety of metallic foreign wires, oil-fired wires. The materials range from low- and medium-sized high-carbon steel, stainless steel and alloy steel。