Beautiful appearance, excellent processing and stability should be guaranteed by material such as high intensity ABS, PC, AC, and Polyester assured, Flammibility material and Glass 30% annexing material. The product was recognized by the Public Trust International Mark Germany VDE, TUV, European community CE, and U.S.A UL. The use is convenient for the installation of Terminal Box, the supply Switchboard, Apparatus Box, electrical powe supply and Control Box etc.