Proof distribution box, explosion-proof electrical

1, explosive gas mixtures dangerous places: 1 and Zone 2. 2, the gas mixture: ⅡA, ⅡB, ⅡC. 3, combustible dust Zone 20, 21, Area 22 4 temperature groups: T1 ~ T6. 5, explosion-proof mark: ExdeⅡBT6, * ExdeⅡCT6. 5. Summarized use venues such as indoor and outdoor workplaces, China's coal industry, PetroChina, Sinopec, CNOOC, electric power, metallurgy, railway, steel, shipbuilding, military, aerospace, public security and fire, chemical, government departments, venues, transportation transportation, and large enterprises need apply. NOTE: Please specify requirements ⅡC level.