We believe in: Innovation is our soul and spirit. Quality is our life. Shopper need is our God for Rooftop Air Conditioner, Ventilation system with heat recuperative , negative pressure isolation room , Holtop Industrial AHU ,HRVs . We are glad that we are steadily growing with the active and long term support of our satisfied customers! The product will supply to all over the world, such as Europe, America, Australia,Kuala Lumpur , Hyderabad ,Ukraine , Ghana .We have a dedicated and aggressive sales team, and many branches, catering to our main customers. We are looking for long-term business partnerships, and ensure our suppliers that they will definitely benefit in both short and long run.