Tianjin Bohai chemical group company,
Tianjin Metallurgical Group Tiancai Technology Development Co., Ltd.,
Tianjin Aerospace Science and Technology Development Co., Ltd.,
National Institute of Nanotechnology and Engineering,
Tianjin membrane technology co., ltd.
Tianjin Jinfa New Material Co., Ltd.
Tianjin lvhuan new material technology co., ltd
Tianjin chuangshi new material technology co., ltd
Tianjin Hongsaien New Material Dehao Ultramicro New Material Company Tianjin Tianjin Sanwei Laixin Material Company Tianjin Tianda Tianhai New Material Company Tianjin Sanwei Laixin Material Company Gaode New Material Technology Company Zhongke Sanhuan Tianjin Weilai New Material Company Tianjin Jinbin New Material Industry Co., Ltd.