This is Ansung company in South korea. We have made plug insert in korea since 1979We supply our product to local and oversea power cords company which supply to world electric company like LG, SAMSUNG. Sony and so on. So we can gurantee our product's quality. (ROHS, UL, VDE) Additional 1. We product HOLLOW PIN goods(VDE) for european plug insert (Schuko It is perfectly safe item for the electric test (like VDE) 2. We can supply halogen free material, CTI material and any special plug insert.