A: Chipshow has 20,000sqm high-tech automated workshop, 200 employees,25 research engineers,20 after-sale technicians,5000sqm productivity each month. Q: How Can We Guarantee Quality? A: Seven quality control steps ensure your ordered screens good: 1).Suppliers are long-term cooperated large famous company. 2).Material check by professional workers and machines. 3).Debug every modules. 4). 48-hour aging test for all modules before assembling. 5).Test every cabinet's function after assembling by engineers and machines. 6).72-hour aging test for whole screen before shipment. 7). All details final inspection again before package. Q:What Can You Buy From US? A: LED Display,LED Screen,LED Sign,LED modules,LED billboard,etc. Q: Why Should You Buy From US Not From Other Suppliers? A: After the 20 years' development, Shenzhen Chip Optech Co., Ltd has accumulated rich experience of R&D and has the first-class automated production equipment, standard clean automation production plant and anti-static system devices. Q:What Services Can We Provide? A: 2-year quality warranty and life-long repairing service. If any components need to repair or replace, you can send it back to Shenzhen。