CROWN EXTRA LIGHTING CO., Ltd. is a comprehensive enterprise integrating R&D, production, sales and service in explosion proof product field.. we are  committed to become a green, environmental protection, energy saving, leading industrial lighting solutions provider, for petroleum, petrochemical, electric power, gold, railroad, aerospace, military, public security, fire, ship, road, pharmaceuticals, etc. to provide high-quality explosion-proof products and professional technical service solutions. The company specializes in the production of LED explosion-proof lamps, explosion-proof fire emergency lights explosion-proof electrical appliances, explosion-proof accessories and low-voltage e ... more