... building, sports club, gymnasiumMaterialφ114*2.0mm steel pipe, shot blasted and galvanized before powder coating, anti-rust, UV resistantCertificatesEN957 ... dioxide welding, redundant welding spatters are removed Sanding and shot blasting to achieve perfect and smooth surface finish and ... NSCC certificates, suitable for exportCompanyProfileProduction processSucessful Case China children plastic seesaw