X-Key (China) Limited is an innovative company with more than 2 years of experience in designing and manufacturing r ed Industrial, Military and Medical Keyboards/keypads, all kinds of Input Devices and ATM EPPs.Our products are supported by very professional engineering, R&D and manufacturing expertise. Our experienced in-house QC staffs are aided by an independent laboratory, to ensure the very highest standards. Our staff of 30 is working around the clock to be sure that your shipment is in best quality. We also have a technical support team that can answer any questions you may have regarding our products. If you have any questions, please do not hesitate to contact us via telephone or our online support. We will provide you the necessary support within the 3 days to answer any technical questions you may have about our products.