Tangshan Institute of Environmental Protection
Hebei jiehui environmental protection technology co., ltd
Tangshan saite environmental technology co., ltd.
Hebei boao project management co., ltd
Zhongguo Huanping (Beijing) Technology Co., Ltd.
Tianjin tianfayuan environmental protection affairs agency center co., ltd
Tangshan yeli engineering technology consulting co., ltd
Hebei province environment geology exploration institute
Hebei sino-german environmental protection technology co., ltd
Tangshan dean technology co., ltd
etc ......
These are all filed by the municipal government, and Tangshan has also set up a contact agency. There are many other places.