wooden playground equipment: Certificate:GS(TUV) wooden playground equipment:1)Component:slide,deck,stairs,bridge,etc.2)Material(plastic):we use the best plastic power LLDPE imported from Korea(special engineering plastic),good grade,never fade,colourful,personally,anti-sun,no hurt to body,no pollution to the environment. Technology:rotational mould 3)Material(metal):use high-quality steel, ...