Shenzhen GCL Electronics CO., Ltd, founded in 1999, GCL is staffed with over 300 employees and in our dust free workshop which covers more than 100,000 square feet, there are more than 30 high-speed production machines with high accuracy and more than 10 modern assembly lines. GCL has a very powerful productivity with over 5000 square meters LED screens each month. We have been granted with more than ten LED application products-related patents and certifications in compliance with the ISO 9001,