- EPC 2022-04-20
- Construction 2022-04-20
- Engineering（Industrial and Commercial Buildings ） 2022-04-20
- Engineering（Benzene derivatives and Fine Chemicals ） 2022-04-20
- Engineering （ Utilities & Offsites ） 2022-04-20
- Engineering(Inorganic Chemical (Sulfuric Acid, Phosphate, Catalyst) ) 2022-04-19
- Engineering(Environmental Protection and Alternative Energy ) 2022-04-19
- Engineering(Coal Chemical, Natural Gas Chemical ) 2022-04-19