南京实体工厂生产船用百叶窗，碳钢/304/316不锈钢材质，风雨密、水密、带风暴盖款式，符合CB/T标准，提供CCS、BV、ABS船级社认证，支持机舱、游艇、货船非标尺寸定制，现货批发。marine louver, marine ventilation louver, weathertight marine louver, watertight ship louver, stainless steel boat vent louver, marine steel louver, CCS approved marine louver, engine room louver, yacht ventilation louver, funnel louver, marine shutter