We support our buyers with ideal high quality products and high level service. Becoming the specialist manufacturer in this sector, we have gained rich practical experience in producing and managing for Co2 Sensor Heat Recovery Ventilator, Erv Energy Recovery Ventilator, Ceiling Mounting Air Handle Unit, Exhaust Ventilation System,Ventilation System Clean Air Ventilators. At our firm with good quality initially as our motto, we manufacture merchandise that are entirely made in Japan, from materials procurement to processing. This enables them for being used with confident peace of mind. The product will supply to all over the world, such as Europe, America, Australia,Suriname, Lithuania,India, Venezuela.Customer satisfaction is our first goal. Our mission is to pursue the superlative quality, making continual progress. We sincerely welcome you to make progress hand in hand with us, and construct a prosperous future together.