1. Shanghai ChangZeng Metal Co., Ltd. only uses environmentally friendly raw materials for steel sheet coil. It can be cold rolled to be smoother and have more precise dimensions
2. With significant economic benefits, the product has been widely found its applications in the industry. It is not subject to yield-point runout and can, therefore, require low levels of maintenance
3. The product can last for a long time. With its full-shield design, it provides a better way to avoid the leakage problem and prevents its components from damage. It is able to provide the strength nor piping connectivity typically required by high-pressure, high-temperature applications
1. The ChangZeng brand is highly recognized by customers and exported to many countries abroad.
2. All of our production facilities are sanitized daily using a high-pressure cleaning system and regularly tested to make sure it meets our exacting standards.
3. We believe innovation drives to success. We cultivate and enhance our innovative thinking and apply it to our R&D process. Besides, we continually invest in research and technology, hoping to provide unique and practical products for customers.