Introduction: Ledvance is a global company in the field of general lighting, mainly producing and providing various LED lamps, advanced LED lamps, intelligent and networked smart home and smart building solutions, as well as traditional light sources. This was originally a comprehensive lighting business company under OSRAM in Germany, and is now owned by MLS Co., LTD. (MLS), a Chinese lighting company. Ledvance products mainly include LED bulbs, LED replacement tubes, halogen lamps, compact fluorescent lamps with integrated control devices, compact fluorescent lamps without integrated control devices, fluorescent lamps, high-intensity discharge lamps, special lamps, electronic equipment and modules, electronic ballasts, used for LED modules and dimmers, light engines and modules, electronic ballasts, used for traditional lighting, lamp series: professional lamps, consumer lamps. Ledvance's main service areas include facility management/office buildings, healthcare, hotel lighting, industrial, outdoor, store lighting, and transportation; Ledvance official website: www.ledvance.com.cn.