The chemical industry such as petroleum and petrochemical is a basic industry related to national economy and people's livelihood. The safety and reliability of lighting equipment plays a very important role in ensuring its production and development.Since most of the production and work sites are flammable and explosive hazardous areas, the explosion-proof performance requirements of lamps and lanterns are extremely strict. The basic requirements are explosion-proof and above, mostly outdoor areas, which require lamps and lanterns to have good waterproof and anti-corrosion properties, and require lamps and lanterns to have high brightness and long service life.Our professional petroleum and petrochemical industry develops overall lighting solutions for production processes to ensure that its working environment has appropriate illumination and reliable operation.