We take "customer-friendly, quality-oriented, integrative, innovative" as objectives. "Truth and honesty" is our administration ideal for Duco Ventilation, Ventilation system solutions , ALU HEAT EXCHANGERS , Residential projects ERV ,low temperature heat exchanger . At present, company name has more than 4000 kinds of products and gained good reputation and big shares on market domestic and overseas. The product will supply to all over the world, such as Europe, America, Australia,Curacao , Brisbane ,Pretoria , Turkey .The quality of our merchandise is equal to OEM's quality, because our core parts are the same with OEM supplier. The above items have passed professional certification, and we not only can produce OEM-standard items but we also accept Customized Merchandise order.