1. the main work scope of renrenjie group is road cleaning, garbage cleaning, garbage sorting, landscaping and public facilities maintenance. Such as the health integration project. Renren.com has set up nearly 200 branches in more than 50 provinces, cities and counties such as Hainan, Hunan, Hubei, Jiangxi, Anhui, Yunnan, Guizhou, Fujian, Zhejiang, Shaanxi, Hebei, Henan, Shandong, Xinjiang and Inner Mongolia.
2. Zhonglian Environment
3. Environmental sanitation in Beijing
4. Malone Health
5. Environmental sanitation in Chongqing
6. Shouguang sanitation
7.AVIC hygiene
8. Yingfeng Environment
9. Sander environment
10 jinjiang environment