the company has powerful technical strength, first-class R&D level, and also possesses independent ability to develop the new products. At present, the company has 60 desigeners, in which there are several first-level registered structural engineers, 6 ***** and post-graduates majoring in steel structure. The company has widely established cooperation with the domestic well-known universities and scientific research academies, and makes them become the technological backup force of our company. We have established the cooperation with Tsinghua University, Tianjin University, Harbin Institute of technology, Beijing Jiaotong University, and Chinese Academy of Building Research and so on, and at the same time, invites many well-known experts, professors and technical advisors.