1. By adopting the lean production method, ChangZeng rectangular steel tubing is exquisite in detail. Its heat treatment includes annealed, quenched, tempered, etc
2. Our customers all praise its high purity. They use it in their manufacturing or construction industries to maximize the value of the product. Its sizes and thicknesses are customizable for different applications
3. steel pipes is great in the field with high-performance. Its material can be comprised of higher-grade alloys such as stainless steel or molybdenum steel
1. Shanghai ChangZeng Metal Co., Ltd. has built a good reputation by virtue of quality steel pipes. We are now notable as a strong manufacturer. Our company has passed the quality control system to ensure the high grade of steel tubing .
2. Shanghai ChangZeng Metal Co., Ltd. has made expansion for its production facilities in order to improve its production efficiency.
3. Our newly made steel pipes has gained much popularity since its establishment. We are committed to contributing to sustainable development, balancing short and long-term interests and integrating economic, environmental and social considerations into our decision-making. Get info!