2011
The founders formed a team, and Hangzhou Renren Environmental Technology Co., Ltd. was established on the bank of West Lake.
2016
Won the "Hangzhou High-tech Enterprise", "Zhejiang Science and Technology Enterprise".
2018
Invested in the establishment of Hangzhou Association Environmental Engineering Co., Ltd. Formally entered the engineering field, and created a tax of over one million in the first year.
Invested in the establishment of Shanghai Yuqian New Material Technology Development Center.
2019
Won the "National High-tech Enterprise".
2020
The new standard factory building in Deqing, Huzhou, invested and constructed by the company was officially opened.