We are a manufacturer of Commercial & Industrial LED lighting. SHENZHEN NUOGUAN TECHNOLOGY CO., LTD(SHENZHEN CROWN TECHNOLOGY CO., LTD)founded in 2010. With our advanced production equipment and our expert R&D team, we combine Innovation, Customer Service and Mass Production in order to provide top-level products to all of our customers world-wide. Our featured LED products are: Corn bulbs, Retrofit Kits, High Bay Fixtures, Shoebox Fixtures, Canopy Fixtures and more! Our Series of Innovative and Energy Saving LED Products are designed to provide solutions for indoor and outdoor lighting. Safety and Quality Certifications include: UL, CUL, ETL,cETL and DLC to help you earn Rebates through Participating Utility Companies. NGT has been set up warehouse in CA and OH in the United States.