1. The production process of ChangZeng is strictly carried out. It has passed through cleaning, mounting, welding, surface treatment, and quality checks. It can be hot rolled to have malleability
2. Shanghai ChangZeng Metal Co., Ltd. will find the market that suits us best and striving for the highest share. It is tested by third parties such as SGS and BV
3. There is continuous attention to quality throughout the production process. The amount of carbon present in the alloy is customizable
4. The production process is improved for providing quality guarantee. It is not subject to yield-point runout and can, therefore, require low levels of maintenance
5. With a relatively long service life, the product brings more economic benefits to customers. It is the best for welding, machining or other needs
1. With the positioning of the high-end galvanized steel sheet brand, ChangZeng has won a wide reputation globally. Our staff is made up of extraordinarily talented individuals who share a passion for achieving the very best in everything they do. They bring the company valuable talent, expertise, and industry insight.
2. Under the international ISO 9001 quality management system, the factory implements rigorous control over the production. All of the incoming materials and parts are required to be checked and tested to guarantee high quality.
3. Our factory possesses advanced production equipment and testing systems that are established to comply with the ISO9001 Quality Management System. Products produced and tested under these machines are guaranteed with high quality. The enterprise culture that ChangZeng sticks to is the drive to motivate staff to work harder. Ask online!