1. steel keel frame with 80kg crock wool : sound-proof and insulation .
2. thickening toughened glass : shock resistance , and heat resistance .
3.door hinge adopt high-strength steel . The strength of the bolt is: 12 level .
4.anti-rust durable and skid resistance.
5. basement: 350mm(height) , inside have 40mm lead wind board.
6.steel keel frame with 80kg crock wool ,equipped with spring pressure lock
7.Siemens electrical components
8.anti-explosion fan ,Large blade : Siemens high efficiency motor , German Reitz fan blade
9. with high strength steel plate with rock wool : sound-proof .
10.circuits of light :European design with exposed steel constitution ,simpler and easier installation of maintenance.
11. steel board with rock wool. With good temperature reservation
12.European design , unique air intake room , have good air intake flow .
13. with big air-admitting surface .