Always striving toward excellence, HLCALUMINIUM has developed to be a market-driven and customer-oriented enterprise. We focus on strengthening the capabilities of scientific research and completing service businesses. We have set up a customer service department to better provide customers with prompt services including order tracking notice. aluminum ceiling sheets HLCALUMINIUM is a comprehensive manufacturer and supplier of high-quality products and one-stop service. We will, as always, actively provide prompt services such. For more details about our aluminum ceiling sheets and other products, just let us know.The product has enough hardness. It is able to resist deformation, which is determined by a standard test where the surface resistance to indentation is measured.