Chinese civil aviation grows rapidly, the market demand is also huge, which lead to its matching decorative and protective coatings products consumption increased year by year such as high-solids polyurethane coatings. The imported product price is high, so the large-scale imported product increases manufacturing cost and repair cost virtually. More importantly, domestic market cannot be control by foreigners, so we have to produce commercial aircraft as soon as possible with a matching coating.Firstly, thr...