SHANGHAI CHANGZENG METAL CO.,LTD as a professional I Beam manufacturer and supplier in China, all the I Beam have passed the international industry certification standards, and you can be completely assured of quality. If you do not find your own Intent I Beam in our product list, you can also contact us, we can provide customized services.
Shanghai Changzeng Metal Co., Ltd. was established in 2006, the registered capital of 10.5 million yuan, is a professional steel trade company in Shanghai.
