Third party quality test is to make sure that the quality test on steel angle is more objective and the product quality is more credible. Authoritative third parties have been invited to conduct quality tests and certificates have been obtained. You may find them on the official website. The quality certificates are strong evidence about the company's capability. They are solid foundation for the business development in domestic and foreign markets.
Shanghai Shanghai ChangZeng Metal Co., Ltd. Co., Ltd., reputable and experienced, has an outstanding capacity in developing, manufacturing, and marketing of galvanized steel coil. ChangZeng's steel products series include multiple types. ChangZeng steel coil meets the requirements of some necessary certifications. They may include CB certification, CCC certification, CCA certification, and LOVAG certification. The minimum order quantity for this product is 5 tons. The product features good anti-aging performance. Its materials feature both physical and chemical stability, making it keep stable under extreme temperature and organic solvents. The minimum order quantity for this product is 5 tons.
We are a company that is committed to fair market competition. We have joined the Fair Trade Association to demonstrate our determination to right-minded business activities.
