In our opinion, raw materials are the start of the finished products at the process of production. It is very important because it has an impact on the quality, the cost, and function of the finished product. We ensure that each in-material is from our reliable suppliers who has signed long-term cooperation contracts with us, and is well inspected by our QC team to be excellent basics for the manufacturing of led display . We are certainly sure that the raw materials used in our company top the industry and cost the least over other peers.