We are a manufacturer and exporter of a Korean traditional heat system, ondol products. Korean ondol system is the most clean heat system in a world.Especially construction method of our products is very easy to meet any house and heat efficiency is very high, too.Because it is composed of P.P emission panels, external diameter 10mm of P.E hose and panel fixing pieces only without sand, stone, cement, etc when it is constructed .It can make you save the money with its high heat efficiency by reducing the heat expensives.We hope you can enjoy our products within very soonest period.If you need any more information on our products, please contact us any time.* Product Info : Super-thin ondol products as a floor heater for house(Height 12mm)* Product Name : Smart Ondol