and local companies have great room for technological improvement.

Polyetheramine (PEA), also known as amino-terminated polyether, polyetherpolyamine, and polyetheramine, is an organic compound. Polyetheramine is made from copolymers such as polyethylene glycol and polypropylene glycol, which are ammoniated under high temperature and pressure. It has the characteristics of good stability, resistance to whitening and scratch resistance, and has been widely used in many fields.…