Introduction: Beijing Huiguan New Technology Co., Ltd. (IRTOUCH) was established in 2003 and possesses world leading infrared and optical touch technology. It focuses on the application of touch screens in modern information fields and provides comprehensive solutions for customers in various industries. The IRTOUCH infrared touch screen independently developed by Huiguan has multiple invention patents and has formed a complete independent intellectual property system. With its unique design concepts such as maintenance free and high stability, it has become a high-performance and mature touch technology product. The latest optical imaging technology touch screen developed and produced makes touch more agile and smooth, elevating the touch experience to a new level and fully reflecting the unique charm of human-computer interaction. At present, IRTOUCH infrared touch screens have been widely recognized by users in domestic industries such as finance, education, telecommunications, postal services, taxation, power, industrial control, healthcare, broadcasting and television, and are exported to countries and regions such as Europe, America, Japan, South Korea, and Southeast Asia. Huiguan regards quality management as the lifeline of products and has always regarded "customer satisfaction" as its quality standard. The company has passed ISO9001 (2008) quality system certification and CE, FCC, IP65 and other safety certifications, establishing a complete set of company quality assurance system. At present, the company's quality assurance system has covered all aspects that affect product production and service quality, including quality management, various stages of the product lifecycle, product support activities, and various stages of the production supply logistics system, ensuring that the entire process of products and services is managed and controlled in a standardized and procedural manner
