Plastic-Coated steel Pipe ( Steel plastic multiunit tube ) is newly developed independently by Nanjing Youerda Logistics Equipment Engineering Co., Ltd. In the recent years. The product has strong maneuverability, and users can custom scientific and reasonable products as they please according to actual needs. Plastic-Coated steel Pipe is a modularized system consisting of pipe fitting and connecting fitting, wherein, the parts of the connecting fitting are formed by high-quality steels through pressing (it can be divided into various colors). After the surface of the high-quality steel tube is disposed, the outer surface of the wire is integrated by special thermoplastic conglutinant plastic layer, and the inner surface is covered with anti-rust layer, then the wire is produced, which has lots of advantages, such as beautiful outline, abrasion resistant, bright color and luster, rust resistance and no pollution etc. The product has been popularized and trusted in many fields, such as electron industry, automobile, communication industry, toy industry and medicine industry etc. Since it is launched, and also won good faith. The finished product of online adapts to the present improving and flexible mode of production of manufacturing, which cannot only improve the management level of production and logistics level, but also improve the environment of production and agree with the flexible mode of production.