Established almost 40 years in USA, Dust Free Group is a professional manufacturer in design, manufacturing, R&D, sales and marketing in In-door Air Quality (IAQ) system and equipment. Dust Free Asia Pacific Ltd. located in Hong Kong is responsible for Asia market like China, Hong Kong, Macau, India, Philippines, Singapore and Malaysia. With good experience and professional knowledge in the field we are welcome to meet the potential partners for future co-operation discussion.