Why is China Railway Construction cheaper than Haixi?

The greening rate is low. China Railway Construction is in Xi 'an, Lu Yu. China Railway Construction Co., Ltd. has a low greening rate on the coast of Haixi, which leads to a low price. Yu Hai Xi 'an is the first HOPSCA urban complex of about 790,000 ㎡ built by China Railway Construction, a trillion-dollar central enterprise, in Nansha: the project comes with a 280,000 ㎡ commercial complex, including150m landmark Grade A office building, shopping center, serviced apartment and other rich formats; There are 0/5 classes in kindergarten/KLOC-and 24 classes in primary school, among which the primary school has been listed as Binhai Experimental School (South Campus) by Nansha Education Department and belongs to Guangzhou Foreign Language School Education Group.