Main colors for solid wood doors and windows: ash, larch, okoume, spapelli, cherry, russian red ... wooden window/ doorAluminium solid composite window/ doorMain colors for solid wood doors and windows: ash, larch, okoume, spapelli, cherry, russian ... and windows: coffee, dark gery, white, steel-like electrophoresis, wood texture paintingResistance to wind pressure capabilityGB/T7106-2002, Grade 7, 4. ...