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                  Qualification Certificate
                  Special Equipment Production License
                  Vacuum blasting wave-making combined assembly
                  Slide (python)
                  Slide (big horn)
                  Slide (big skateboard)
                  Python slide
                  Steel structure welding work platform
                  Closed slide
                  Big horn slide
                  Large skateboard slide
                  Open slide
                  Variable-slope high-speed slide
                  Variable-slope high-speed slide