... made from Galvanized pipe and finished with high solution.Remark:Anti-crack,anti-fade,anti-staticCertificate:EN1176,EN71,CCC,CE,14000,28000, ... and the anti-electric-state power was imported from Germany ,painted to the metal bf flow line painting equipment in high temperature, ... material LLDPE, to make sure all the products anti-UV, anti-aging ,anti-electric state, non-toxic, the quality is better ...