The manufacturing gear has been introduced to Shanghai ChangZeng Metal Co., Ltd. and has been nicely running for decades. Trained employees operate the equipment. The production is flexible and stable. Generally, the production is suspended once a year for repair. ChangZenghas a mature culture and a long history in this industry. ChangZeng's steel products series include multiple types. By virtue of galvanized steel coil, steel coil is often sold out in many areas. It can be cold rolled to be smoother and have more precise dimensions. This product requires less maintenance. It is designed so that it can work for long periods of time without causing severe wear and tear. It is not subject to yield-point runout and can, therefore, require low levels of maintenance.We insist on integrity. That is, to comply with ethical standards in our business activities, to demonstrate respect for our customers and employees, and to promote responsible environmental policies.

Great care is taken in maintaining delivery accuracy in Shanghai ChangZeng Metal Co., Ltd. . The steel tubing delivered is exactly the one that customers require. Before shipment, we'll confirm the high quality and amount of goods with clients. We'll affirm the consignee's information such as the shipping address and telephone number, by which the delivery process is perfect. ChangZengis a lively and enthusiastic manufacturer centered on steel tubing. ChangZeng's steel coil series include multiple types. This product requires less maintenance. It is designed so that it can work for long periods of time without causing severe wear and tear. It complies with the standards of GB, ASTM, JIS, BS, EN, TOCT, KSD, IS, etc. Shanghai ChangZeng Co., Ltd.'s employees are committed to providing exceptional service that is unique and distinct from all others. It can be processed by welding, punching, cutting, bending, painting, etc.“Excellence, Integrity and Entrepreneurship” are the common beliefs we bring to our professional and personal behavior – they are the fundamental strengths of our business.

Shanghai ChangZeng Metal Co., Ltd. always delivers products on schedule. Inventory is a good solution to easing delivery pressure. The production line of large capacity will help guarantee the supply in the peak season. ChangZeng uses advanced equipment to produce high quality products. ChangZeng's steel sheet series include multiple types. Our steel coil are greatly appreciated in other markets for its galvanized steel coil. Its heat treatment includes annealed, quenched, tempered, etc. ChangZenghas accumulated wealthy experience on manufacturing steel coil catering to the foreign market. Its comes with optional additional alloys including carbon, manganese, silicon, chromium, nickel, molybdenum, and vanadium.Our commitment to customers is to be the best, most flexible supplier, with the capability to adapt to changing market demands.

Shanghai ChangZeng Metal Co., Ltd. uses the latest technology to produce structural channel . Thanks to our strong technical support, we have years of excellence in designing and manufacturing products. Modern and innovative manufacturing equipment guarantees the perfect performance of the products. ChangZeng ​​is rated as the No.1 brand by many clients. ChangZeng's steel tubing series include multiple types. stainless steel pipe of steel tubing are competitive in the market. It can be processed by welding, punching, cutting, bending, painting, etc. This product is electrically safe. The insulation components used in this product must past two tests. These are the GWFI (Glow Wire Flammability Index) and the GWIT (Glow Wire Ignition Temperature). This product is available with free samples.We bear social responsibility in our daily operation. We will keep continually review our manufacturing approach in light of the evolving sustainability landscape.