In the past few years, our company absorbed and digested advanced technologies both at home and abroad. Meanwhile, our company staffs a team of experts devoted to the development of holtop Dehumidifier, Heat recovery units , Holtop Heat exchanger , heat wheels ,fresh air units . We have four leading products. Our products are best sold not only in the Chinese market, but also welcomed in the international market. The product will supply to all over the world, such as Europe, America, Australia,Nicaragua , Italy ,Korea , Jakarta .With well educated, innovative and energetic staff, we are responsible for all elements of research, design, manufacture, sale and distribution. By studying and developing new techniques, we are not only following but also leading fashion industry. We listen attentively to the feedback from our customers and provide instant replies. You will instantly feel our professional and attentive service.