How can I get to know quality before placing an order?
There are many ways to evaluate the quality of the products. You can check the certificates. Our steel angle has been approved by a number of certifications. You can check our certificates on our website. You can see the product quality through the raw materials we use, our facility, our production technology, and process, as well as our quality management system. We can also send samples to you for reference. And if you want to get more assurance and peace of mind, we welcome you to visit our factory.
ChangZeng Array ABOUT US image154
Since Shanghai ChangZeng Metal Co., Ltd. was officially put into production, it has been developing steadily in the industry of steel beam. steel beam series manufactured by ChangZeng Steel include multiple types. And the products shown below belong to this type. The LED boards of ChangZeng steel products are treated with a conformal coating which provides a moisture barrier between sensitive components on the board and the outside world. It accepts the de-oxidation process to be killed or semi-killed steel. Long service life absolutely manifests its superior performance. Its comes with optional additional alloys including carbon, manganese, silicon, chromium, nickel, molybdenum, and vanadium.
ChangZeng Array ABOUT US image154
ChangZeng Steelaims at making constant innovations in steel products field. Get quote!

Custom message
Chat Online 编辑模式下无法使用
Chat Online inputting...