Grandol Lighting is China manufacturer of LED Tubes & LED Panels Manufacturer with 9 years experience. We&＃39;ve started designing & manufacturing T8 LED Tubes, LED Panel Lights, LED Flood Lights, LED Downlights & LED High Bay Lighting since 2005 in ShenZhen, China. Production Range: - LED Tube Lights; - LED Panel Lights - Outdoor LED Flood Lights; - LED Downlights; - LED High Bay Lighting. - LED Spotlight Bulbs Advantage & Service: After 9 years of development, we have accumulated a wealth of technical experience, improved the supply chain, simplified the production procedure as well as balanced the cost. Beyond selling the LED lighting, we hug our customers, providing full solutions & supports to their projects during every step such as design, prototype, production, delivery and after-sell service. Qualify & Certificates: - 12 engineers provide technical support for every design & production;- 4 production lines with 70 skilled workers output 30,000 LED tubes, LED bulbs, 20,000 LED flood light monthly;- Equipped with integrating sphere, power meter and other advanced testing equipments, our 20 experienced quality inspectors ensure the pass rate or 97.3%.- ISO9001, CE & ROHS certificated.