1. ChangZeng used structural steel provide the perfect blend of style, selection, and affordability. Its excellent tensile strength and yield strength contribute to the quality of the final product
2. Shanghai ChangZeng Metal Co., Ltd. can totally ensure quality of used structural steel , and if there is any problem, customers can replace for free. The amount of carbon present in the alloy is customizable
3. Our experienced quality inspectors have carried out a comprehensive performance test on the performance and durability of the products according to international standards. It is chosen for its higher resistance to corrosion
4. We continuously monitor and adjust production processes to ensure product quality meets customer and company policy requirements. This product is available with free samples
1. Our company has accumulated many customers resources. For such years, to adapt to the market trends, we keep strengthening and updating our technological ability and improving product quality. This is the reason why we have such a group of loyal customers.
2. Our company has embarked on a journey promoting environment-friendly and sustainability initiatives. We are involved in various projects including renewable energy management and waste disposal management.