... covered with PVC.Manufacturing Techniques:1.Post: acid washing, electrostatic powder coating, high temperate baking in oven.2.Roof, ... Rotational Moulding3.Deck, Stair: hole punched steel plate, acid washing, powder coating, PVC covered.4. Clamp, Buckles, Fasteners, Foot ... plate: Aluminum material, Clean, powder coating.5. Screw: Stainless Screw. 2011 new products Products ...