Shenzhen igrow Bio-tech Co.ltd is a professonal led grow light manufacturinglocated in Shiyan town Shenzhen city ,Chia ,born forHigh quality smart led grow lights , we use Osram &Samsung Top bins chips and Mean Well drivers with 5 years warranty . with8 professional engineer with strong R&D capacity and over 2000 square meter factory , the lights are patent and ETL approved ,very hotsale in USA ,Canada and Europe market , welcome to visit us !