What about Tianjin Hua Kai Thermal Insulation Material Co., Ltd.

The raw materials used are powdery materials, which often contact powder; Workers wear respirators, but they also look like powder after work, and they also do their own research and development, including taking epoxy resin powder from the cold storage, crushing and mixing it evenly. In a word, small enterprises have a lot of contact powder, high work intensity and unattractive salary, which is not good.