Material :
1. Pipe : Use 2.2m whole new galvanized pipe (not splicing, no weld old pipe ),
thickness 3.5mm. able to withstand more pulling force.
2. Low-stretch rope : 48 stocks of small wires get together to be a big low-stretch rope, loading bearing is 5ton.
3. Bearing : high-hardness plastic, eventhough you use hammer to beat such high-hardness plastic, they won't be broken. Metal bearing will make much more noise, but plastic bearing
will reduce the noise.
4. LLDPE : food grade plastic no poisonous and hazardous to child health.
5. Wood : Oregon Pine and rose wood with complex paint techincs. loading bearing is more than 200kg
6.Platform: Steped-ladder: Galvanized steel sheet, color powder coated or pvc coated.
7.Fasteners: Stainless steel AISI 304
8. Items : It include 42 types of main play items, and 3 types of further play items.