Power High Technology & Research(HK) Co., Ltd Strives to High Quality Patent Product in Military & Industry Areas,LED explosion-proof lights with UL844, ATEX, IECEX certification are widely used for Class I Div 1 & 2, Class II div 1 & 2 and Zone 1 & 21, Zone 2 & 22 hazardous areas, including coal mine lighting, coking plant lighting, offshore drilling platforms lighting, oil field united station lighting, chemical plants lighting, aviation base lighting and more.