Qianan Antingyuan housing project two tenders of approximately 200,000 square meters; in-situ reinforced concrete shear wall structure; underground garage for the in-situ reinforced concrete frame structure, flat floor slab, plus the overall water-based independent board. Contract duration: Contract / actual start date: 20 November 2010 / December 15, 2010; Contract Completion: May 1, 2012.