1. School of Materials Science and Engineering, Hebei University of Technology, Key Lab for New Type of Functional Materials in Hebei Province, Tianjin Key Lab Material Laminating Fabrication and Interface, Tianjin Engineering and Technology Center for Environmentally Friendly Coating on Pipeline
2. Tianjin Gongda Galvanizing Equipment Co., Ltd.
3. Langfang Huachuang Tianyuan Co., Ltd.