Sain Tray Electron (STE) located in Haizhu district of Guangzhou, is a high-tech enterprise group specializing in the RD, manufacturing, sales of high-tech electronic products. Our company was established in 2002, specializing in providing products of high quality based on ISM FR and embedded wireless communication, as well as offering the related application solutions about Internet of Things. What's more, our products are characterized by small size, low power consumption, long distance, strong anti-interference ability, simple interface, low prices, and stable performance. Furthermore, our company has prompt teams to hand the RD, production, as well as our sales team, the specialized RD of FR and production testing equipment to provide professional technical guidance and advisory services. Generally speaking, SET keeps "Market-guided, Service-oriented, talent-based" as belief, and considers the innovation and quality of products as the company's lifeline, so that we are committed to providing our customers with the best and the latest high-tech products. We believe that in the on-demand future, we still insist on paying attention to customers' every need, and continuing to make a perfect job in every aspect of our products and services.