Main steel structure:Made of national standard 80×80×3mm, 80×40×3mm, 60×60×3mm, 40×40×2mm galvanized steel pipe welding process
Trampoline surface: double-layer PP fabric sewing + webbing warning strip (width and length not less than 2.5 meters)
Soft cushion:T0.52mm PVC sewing leather cover + T6cm sponge + Velcro
Spring:65# manganese steel L26cm and L19cm
Platform soft board:T0.52mm PVC sewing leather cover + T3cm sea + T15mm flame retardant wood board
Others include: guardrails, stairs, side panels