vanmanlouver

万曼系统百叶经过美国AMCA检测与认证，检测条件风速13m/s，降雨76mm/h，空气流量2.0立方米每秒，防雨达到A级，型号RL60

Vanman system louvers have been tested and certified by AMCA in the United States. The test conditions are wind speed 13m/s, rainfall 76mm/h, air flow 2.0 cubic meters per second, and rain resistance reaches Class A，Model RL60