Bohai electronic VDE European plug inserts Specification：
1.plastics'ss urface should be smooth , without air vents,burs,rupturings etc.
2.copper: H62 brass.
3.Plastic material : PBT +30% hot plasticity glass strengthens the polyester fiber.
4.Test fire-retardant: after leaving the flame,quench automatically in 30 seconds.
5.high voltage test: 2700v,in 5 seconds keep intact.
