The metal surface rock wool sandwich panel is a composite sheet made of a non-combustible rock wool core material and a metal such as a color coated steel sheet as a decorative surface and bonded by an adhesive. It integrates fire prevention, thermal insulation, noise reduction and aesthetic decoration. It is flexible and quick to construct and install. It is an ideal choice for building exterior wall panels, floors, ceilings and interior partitions. Stainess Steel Hose/Tube,Stainless Steel Hose Tube,Stainless Steel Tube Radiator Hose,Stainless Steel Pipe To Tube Adapter AS-SUR INDUSTRIAL VALVE CO., LTD. , https://www.assur-valve.com