Tianjin Jianshun Commercial company established in 2000, total investment is 100million RMB. It is a professional manufacturer of welded steel pipe. And the products have gotten ISO 9001-2008 standard. The company has the facilities which reached domestic advance level. Since the establishment, the company successively has undertaken the works of steel products supply for many projects of high building,workshops, public buildings etc, and the quality all meet the clients requirement. Adhere to the principle of user first, continuous improvement and quality first. During the cooperative construction with the ower, implement the guideline that service first and credit top :and leave convenience to the customers. We overcame difficulty ourself and we have established good business relation with customers in the three years. In this industry, we have established our own brand and reputation. At