Coolna Heat Insulation Technology Co., Ltd, is a professional develop company of Nano materials. Our main product is Nano glass film, which has the excellent feature of transparent/ heat insulation/ energy conservation/ environmental protection.And the film has past the USA detection stand of energy saving materials. As the product launching to the market, it has brought the responsive but revolutionary of heat insulation industry and huge benefit of upgrading of products. We want to cooperate with your company to build our common bright future.
