KRS (Qingdao KRS Perfect Roof Co., Ltd.) is specialized in the research, manufacture and development of roofing tile, roof panel, roofing sheet, wall cladding and siding materials, steel structure materials, anticorrosion materials, heat insulation materials and waterproof materials for industry, construction, commercial building, residential building, DIY and public steel projects.  On the basis of all aggressive staff and supporting from domestic and overseas partner, KRS develop very fast and cooperate with more and more overseas customers including Canada, Spain, Belgium, Australia, Nigeria, Ghana, Tanzania, South Africa, Panama, Indonesia, Venezuela, Brazil, Thailand, India, Egypt and so on. Our extensive range of products and high-performance order processing satisfy the customer’s various needs and facilitate everyone’s happy life.  We devote ourselves to roofing tile, wall cladding, anticorrosion building materials, heat insulation materials, steel structure and waterproof materials. At the same time we strive to increase customer service mode in construction line from the date of establishment. Right now we are professional on the cost effective building of Steel Structures for villas, residential house, churches, factories, warehouses, shopping centers and offices. The following is the main products and systems.Roofing Materials: corrugated bitumen roofing sheet, corrugated bitumen waterproof sheet, stone coated metal roof tile, resin roofing tile, UPVC roof sheet, FRP transparent roof sheet, asphalt shingle, fiber cement corrugated roof sheet, Roof panel, Roof slate and shake, natural slate, steel corrugated sheet, PC sun sheet, all kinds of nails and screws.Heat insulation System: metal EPS sandwich roof panel and wall panel, metal Rock wool sandwich roof panel and wall panel, PUR Roof sandwich panel and wall panel, metal PIR sandwich decorative insulation wall panel.Wall Cladding Materials: vinyl siding, fiber cement board, fiber cement panel, fiber cement decorative panel, PP decorative siding panel, wooden-like fiber cement sheet. Anticorrosion building materials: FRP anticorrosion roof sheet and wall sheet, FRP anticorrosion purlin and beam, FRP gutter and downspout, UPVC anti-corrosion roof sheet, fiber cement corrugated sheet, aluminum gutter and rain pipe, UPVC gutter and downspout.