Air grille louvre, carbon filter, exit sign box, VAV box, Fluorescent luminaires lamp, air condition, flexible duct, fibreglass insulation, air duct test cleaning point.

 
  • 百利制品有限公司 - - 风喉风管配件; 风嘴; 风咀; 活性炭隔尘网; 灯罩; 灯盆; 灯具; 出路灯箱; 恒温恒湿空调系统; 冷气; 二氧化碳灭火器;软喉; 玻璃棉.
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