At Shanghai ChangZeng Metal Co., Ltd. , different series of products may be entitled to having a different warranty period. For the detailed warranty data, you can browse the "Product Details" page and then check the warranty period of the product listed among the product specifications. Or, you can ask our staff about the warranty period of the exact product. During the period, we are responsible for repairing parts of the product or support having the product returned or exchanged. Generally, we adopt high-quality raw materials which can ensure the long service life of the finished products.
Today, ChangZenghas become one of the best manufacturers majoring in the development, design, and production of c channel steel. ChangZeng's steel beam series include multiple types. The product features good water purification. The built-in filter cotton, which has excellent absorption, can effectively remove the rust, areia, or other impurities. This product is available with free samples. It plays an essential role in any space, both in how it makes the space more usable, as well as how it adds to the overall design aesthetic of the space. The amount of carbon present in the alloy is customizable.
We have implemented a sustainability process in our factory. We have decreased energy consumption by investing in new technologies and more efficient facilities.
