Establishment of WELLE Environmental Group Co., Ltd. (WELLE Environmental Group for short).
Municipal incubator – WELLE Sino- Germany environmental technology incubator got approval.
Establishment of Sino-Germany Energy Saving and Environmental Protection Technology Innovation Center.
Acquisition of Nanjing Doule Refrigeration Equipment Co., Ltd., a leading company in VOC recovery.
Acquisition of Suzhou Hanfeng Technology Development Co., Ltd., a leading company in energy saving and emission reduction.
Beijing Huiheng, partly owned by WELLE, went public on the National Equities Exchange and two other boards
Acquisition of EPG, a German chemical nanotechnology company.
Establishment of WELLE Environmental Services (Thailand) Co., Ltd.
Start construction of Dunhua Waste Incineration Project, expanding the waste incineration market.
Establishment of wholly-owned subsidiary: WELLE Environmental （Lux）s.a.r.l. and expand overseas market.
Acquisition of Changzhou Jinyuan Machinery Equipment Co., Ltd.
Acquisition of Hangzhou Energy & Environmental Engineering Co,. Ltd.
Establishment of the WELLE Shanghai office.
Completion of the WELLE R&D Center.
Establishment of Changzhou food waste BOT project company: Changzhou WELLE Food Waste Treatment Co., Ltd.
Acquisition of the Liuyang solid waste treatment plant.
Investment in Beijing Huiheng Environmental Protection Project Co., Ltd., and entered the municipal sewage treatment field.
Establishment of Changzhou Dawei Environmental Technology Co., Ltd., and entered the hazardous waste incineration field.
Establishment of the Changzhou leachate BOT project company: Changzhou WELLE Environmental Service Co., Ltd.
WELLE was successfully listed on the GEM board of Shenzhen Stock Exchange.
WELLE headquarters were relocated to No.156, Hanjiang Road, Xinbei District, Changzhou, including office buildings, R&D center and a manufacturing base.
WELLE and Swiss ELEX AG which is a global leader of industrial gas purification, jointly founded Changzhou ELEX Environmental Protection Technology Co., Ltd.
Establishment of the WELLE Beijing office.
WELLE is awarded with the title of High and New Tech Enterprise in Jiangsu Province.
German shareholder seceded and WELLE management team acquired 100% of WELLE as part of the holding of Changzhou Deze Environmental Technology Co., Ltd.
Establishment of the WELLE Guangzhou office.
Establishment of German solely-funded WELLE Environmental Engineering (Changzhou) Co., Ltd. that specialized in waste leachate treatment, with Dr. Yuezhong Li as General Manager.