AT Lighting is subsidiary company of Shenzhen Huaguan Opto company , It was founded in 2009 and is a professional lighting manufacturer with ISO 9001:2008 Certified, over 150 employees, 100 sets machines and a fabrication machine area of more than 3,000 square meters.We AT Lighting manufacturer the LED Outdoor and Indoor commercial lighting fixtures. We've been dedicated to providing the genuine and innovated LED Lighting fixtures for you. High-grade materials, state-of-the-art equipment and assembly lines are utilized throughout the manufacturing process of each of our products. The entire production process is supervised by professional personnel; every product undergoes multiple QC stages to ensure optimum performance and functionality. We have achieved UL,ETL,DLC,CE, SAA,TUV,CB and RoHs certificates. We are the largest of LED High Bay and become a dependable leading player in the LED Luminaries.The experts at our R&D department are specialized in all areas from electronics, components, thermal management and optics to industrial design. What is more, we also have our own metal heat sink production factory to make sure our newly designed products can be put into market to make sure the first class level quality!We are introducing more than 2 brand new products and over 10 customized design lights arrays per month, each one of our designs strictly follows the UL and EU electrical safety standards. In most cases, from the graphic design, potential simulation to finish customized prototypes can be submitted to customers in ten working days.