... CE certificate 3. Popular Fit Crazy commercial gym equipment for Outdoor Park 1.Specification:(1).Material: Steel Pipe, cleaned ... of human mechanics and kinematics(3).Usage: special for kindergarten, residential park, and school2.Why our ... steel,(or luminum,galvanization,as per request).3.DECK,STAIRS,BRIDGESWood inside with sponge and plastisol,rubber ... :16 Crazy commercial gym equipment for Outdoor Park