The photo, taken on April 17, shows that technicians assemble sewage treatment “cans” at the Aerospace Kaitian Environmental Technology Co., Ltd., Xingsha Industrial Park, Changsha. (Photo/Tian Chao, Hunan Daily)
This newly-developed equipment is mainly used for treating rural household sewage. Without taking up too much space, it can be powered by solar energy. The treated water can meet the nationa standard of first class A. The first 300 “cans” will be put into trial use soon.
Source: en.changsha.gov.cn
