1.Steel part:galvanized pipe , Diameter114mm, thickness 2mm.
   performance:phosphatization,rust cleaned,polished,power coated,high-temperature backing
   finished,Anti-UV,Anti-aging.
2.Plastic part : Made of LLDPE imported from SK.Engineering plastic,anti-static,anti-crack.
3.Fastener：adopt aluminium to cast shape at one time.then polished.
4.Screws:made of stainless steel.
5.Joint surface is much better,Has good inpact strength,anti-cracking.
6.All the playground will be tial assembled by us before packing.
www.nbltoy.com is our homepage,if any question or information
welcome to inquire me or add my Msn:ally777@live.cn. My name is Sarry.