continue to improve, to ensure product quality in line with market and customer standard requirements. Our company has a quality assurance system have been established for Rack Support Mezzanine, Light Duty Shuttle, Drive Through, Ce Certificate Radio Shuttle Racks,Four-Way Shuttle Carrier. The main goal of our company would be to live a satisfactory memory to all of the shoppers, and establish a long term company romantic relationship with customers and users all around the entire world. The product will supply to all over the world, such as Europe, America, Australia,Lyon, Australia,Lebanon, Indonesia.We set a strict quality control system. We have return and exchange policy, and you can exchange within 7 days after receive the wigs if it is in new station and we service repairing free for our products. Please feel free to contact us for further information if you have any questions. We are glad to work for every client.