2018
Entering the auction level on January 15, 2018
2016
Entering the innovation layer on June 24, 2016
2015
Change of company stock transfer method to market-making transaction method
2014
On January 24, 2014, the first batch of the new three boards was officially listed.
2013
Listing listing
2012
Shareholding system reform
2016
The second phase of the waste disposal workshop was completed.
9 utility model patents
2015
5 utility model patents
2014
The second phase of the waste disposal workshop began
7 utility model patents
2012
Acquired the title of high-tech enterprise
2011
7 invention patents and utility model patents
2009
Industrial waste liquid plant technical transformation completion acceptance
2007
Obtained the "Hazardous Waste Management License" industrial waste liquid treatment plant put into operation
2006
Construction and construction industrial waste liquid factory
2005
Application for the proposed waste liquid treatment plant
2001
Apply for the "Environmental Pollution Control Facilities Operation Qualification Certificate"
1999
Building a second incinerator
1998
Construction of the first incinerator in Jiangsu Province
1997
Disposal of waste for DuPont
Founded H&H Environmental Treatment Co.,Ltd.
