On March 16, Jiangsu WELLE Environmental Co., Ltd. successfully issued A shares at Shenzhen Stock Exchange, with the stock symbol "WELLE" and the code 300190. WELLE is Changzhou 's fifth listed company this year, and the total number of listed enterprises in the city amounted to 26.

WELLE is Changzhou 's first listed venture founded by returnee. As a provincial-level high-tech specialist enterprise for landfill leachate treatment, WELLE was the first company to use the "MBR-NF" process in China and used to participate in the constitution of relative technical specifications by the Ministry of Housing and Urban-Rural Development and the Ministry of Environmental Protection. WELLEhas a strong competitive advantage in brand, database, technical innovation, management team and service mode. It is reported that China 's current amount of leachate exceeded 120,000 tons / day, with the market size of more than RMB 10 billion.

This time, WELLE issued the public offering of 13.30 million A shares at the price of RMB 58.5 / share, raising a total capital of RMB 778 million. The raised funds will be invested in the industrialization project of landfill leachate treatment equipment and the construction of R&D center.