Business partnership. Chifeng Acer Construction (Group) Co., Ltd. is a first-class general contracting enterprise for housing construction projects. It has passed the ISO international quality, environment and occupational health and safety management system certification, with an annual construction capacity of 5 million square meters, and has completed more than 490 projects in various regions, with a completed area of 5 1.7 million square meters. Vanke Enterprise Co., Ltd. was established in 1984, and its business focuses on the three most dynamic economic circles and key cities in central and western China. On the basis of consolidating the inherent advantages of residential development and property services, the business has expanded to commercial, long-term rental apartments, logistics and warehousing, hotel vacations, education and other fields.