Insulated sandwich panels that are used for roofs are such a practical way of insulation and structural support, as they single out insulation and stuctural support into one. These panels are made up of two shells of steel and outer layers of thermal insulating core material. The widest range of commercial for industrial applications sandwich panel roofs can be adjoined to existing buildings. They have high and low workability. Our insulated sandwich panels definitely contribute to energy efficiency improvement, noise decrease and aesthetic enhancement of any available building. Shenyang Zishenlong Light Steel Color Plate Co., Ltd:- Committed to high quality and customer satisfaction by making sure that our products lines are for any rigorous international standard. All values are reliable when it comes to roofing panels.