What is GCL do? GCL is a professional high-tech manufacturer and exporter of LED tube lighting products with professional equipment, strong R&D teams and skilled workers. Since build in 1989, GCL aim to be the word-level supplier in LED field by design, manufacture and sale high quality product. What is GCL advantage Product? The advantage product is LED Tube Light with three year warranty, that cover all series like 2ft T8 led tube, 4ft t8 led tube, Integrated and single powered led tube. And currently, GCL has passed UL certification in the early April 2013 which ensure further high-end market in America. What market do GCL focus on? GCL focus on both domestic and aboard market with specialized market and sales department. Our products have been exported to many foreign countries including in Asia, Europe, South America, and South Africa. Most of our customers take us as a reliable supplier becase of our high-quality products and good after-sale service, which makes GCL enjoy a very good reputation for global market. What is GCL advantage Product? The advantage product is LED Tube Light with three year warranty, that cover all series like 2ft T8 led tube, 4ft t8 led tube, Integrated and single powered led tube. And currently, GCL has passed UL certification in the early April 2013 which ensure further high-end market in America. What culture do GCL have during development? Always Striving for Higher and Better.GCL is aiming to be the world-level supplier of lighting products. But without your support, we cannot make it. We believe we can be your good business partner. Welcome you contact and visit us.gcledlight.com