Beijing City Deputy Center is the Beijing Municipal Government moved to Tongzhou as a whole. Beitou Group invested in the construction of the government employees to build a guaranteed housing, the project is located in Tongzhou District. Total construction area of about 975,000 square meters, a total of 58 security workers swing room, its roof is a metal roof system. As a supplier of metal roofing materials in this project, Robertson provides an upright lock seam Rt32 low-sided aluminum magnesium manganese plate system.