stainless steel slides playground: 1.Unique design by R&D department 2.Superior quality and factory price 3.ISO14001 stainless steel playground slides YQL-87011. components castle roof, QQ and duck roof, double slide, single slide, spire slide, aisle ladder, iron ladder, panels, posts and so on.2. materials 1)plastic part: LLDPE which is import from South Korea. 2)posts: galvanized steel. 3)decks ...