Nkɔso abakɔsɛm
2004
Wɔde adwumakuw no sii hɔ wɔ aban kwan so wɔ December 2004 mu
2009
Wɔ afe 2009 mu no, wɔhyehyɛɛ ɔfa a ɛhwɛ intanɛt so, aban mfiridwuma ɔfa, ne afiri a ɛtɔ so mmiɛnsa-adwumayɛbea
2013
Wɔ afe 2013 mu no, yɛdii nkonim wɔ adwumayɛkuo no mu nsuo fĩ a wɔde yɛ adwuma no sohwɛ adwuma no mu na yɛhyɛɛ aban ne nnwumayɛbea nnwuma ahodoɔ nkɔsoɔ ase.
2016
Odii nkonim wɔ high-tech adwumayɛbea ahwehwɛde mu wɔ afe 2016 mu
2017
Securities code a wɔakyerɛw wɔ New Third Board no so wɔ August 2017 mu (871990) .
2019
Wɔ afe 2019 mu no, enyaa China Atwa Yɛn Ho Ahyia Ho Banbɔ Aguadi Adansedi Krataa (nsu ne gas adwumayɛ ho ahwehwɛde) na ɛbɛyɛɛ sɛ Shanghai Atwa Yɛn Ho Ahyia Ho Banbɔ Nnwuma Fekuw no muni, ɔyɛ nhwehwɛmu na ɔyɛ dijitaal nsakrae ne digitization nyansa som.
2020
Wɔ afe 2020 mu no, ɛdii nkonim wɔ municipal-level soronko ne soronko ahwehwɛdeɛ mu na ɛdii nkonim wɔ DCS ntrɛmu adwuma a ɛfa secondary reverse osmosis nsuo afiri foforɔ a wɔde bɛsan de nkyene adi dwuma wɔ Yixing Xintian Coal Chemical Industry no ho
2021
Fa carbon monitoring division si hɔ wɔ afe 2021 mu de yɛ nneɛma a wɔde hwɛ mframa a ɛma wim yɛ hyew so