Corporate name：Beijng Quanyi Risheng Metal Structure Engineering Co., Ltd. Address：Town in Tongzhou District, Beijing-Chu village southwest Fa Zip：101116 Q Q：601088825 Tel：010-52118909/10/35 Phone：13901085149 Contact：Zhang Mr Fax：010-52118911 E-mail：bjqyrs@126.com Web：http://www.bjqyrs.com