We constantly carry out our spirit of ''Innovation bringing advancement, Highly-quality guaranteeing subsistence, Administration selling advantage, Credit rating attracting buyers for Rotary heat exchanger, AHU heat recovery section , Vertical Ventilation System , Rooftop Installation ,industrial air handling 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,Swiss , Stuttgart ,Turkey , Suriname .Our products are very popular in the word, like South American, Africa, Asia and so on. Companies to "create first-class products" as the goal, and strive to deliver customers with high quality solutions, present high-quality after-sales service and technical support, and customer mutual benefit, create a better career and future!