While using the "Client-Oriented" organization philosophy, a rigorous top quality command process, highly developed production devices and a potent R&D workforce, we normally provide high quality products, outstanding solutions and aggressive charges for Dry Cooling Systems, Heat Exchanger Design, Mini Heat Recovery Ventilator, Ventilation Equipment,Ventilation Duct System. At our firm with quality first as our motto, we manufacture products that are entirely made in Japan, from materials procurement to processing. This enables them to be used with confident peace of mind. The product will supply to all over the world, such as Europe, America, Australia,Mombasa, India,Qatar, Slovenia.With the advanced workshop, professional design team and strict quality control system, based on mid- to high-end marked as our marketing positioning, our products are fast selling onto European and American markets with our own brands such as below Deniya, Qingsiya and Yisilanya.