For every manufacturer including Shanghai ChangZeng Metal Co., Ltd. , quality assurance is important for building a reputable brand and gaining the trust of customers. Before shipping the structural angle out of our factory, our quality checkers will perform multiple tests on the finished products, thereby, ensuring its stable chemical properties and outstanding physical performance to meet the requirements of the industry and international standards. Once defective products are found, they will be sent to the manufacturing workshops for re-processing immediately. They can't leave the factory until they fully meet the quality standards.
ChangZenghas been providing high performance to the market since establishment steel coil. ChangZeng's main products include steel sheet series. Delicate colors are produced to make steel sheet. Its sizes and thicknesses are customizable for different applications. ChangZengcombines professional experience, advanced technology and worldwide network. It excels in achieving the shape set by the mold.
Looking to the future, our company will continue to strive for superior performance of both product and service through innovation, uniqueness, and excellence.
