Tianjin Erf Metal Structure Co., LTD. (a subsidiary of Kailonggang LTD) who respond positively to the nation development, environmental protection, energy saving, engage in a whole process operation steel structure industry, including design, research, ...

Tianjin City KeLiDa Importance steel plate co., Ltd is a large-scale enterprise specializes in the design, production ,installment and sales of light structures. Since establishment 2004, our company has constantly introduced high new technology, ...