... DetailsPLAYGROUND EQUIPMENT SPECIFICATIONMaterials& Part Details1,PLASTICImported LLDPE, rotational mould, anti-UV, anti-static, anti-crack2,METALMade in the national standard steel pipe, welded by ... , welding speed and welding extended length of the welding results. Using robot welding requirements for each weld must be less than ...