... Powder Coating, Wooden transfering, electrophoresis, heat insulation, PVDF, and deep processing, etc.4.Certificate: ISO9001, ISO14001 Our characteristic ... 3.17 years' professional experience in research, manufacturing and marketinging, we have had various kinds of the ... and enjoy a good reputation among overseas markets. 6. Strong R&D team and over 100 national patents. Aluminium doors and windows ...