Shanghai ChangZeng Metal Co., Ltd. is a steel products brand that is very popular in Chinese and overseas markets. ChangZeng's main products include steel tubing series. This product is extremely resistant to corrosion. Made of heavy metal composites that have been tested by salt spray, they are not adversely affected by chemicals. It is selling well in Southeast Asia, the Middle East, Europe, etc. ChangZeng'tailor make' our steel coil to meet the requirements of our clients. Its comes with optional additional alloys including carbon, manganese, silicon, chromium, nickel, molybdenum, and vanadium.
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