Qufield Co., Ltd., was founded in July 1992 and started manufacturing industrial measuring system. Now, we are growing as a global company that develops wireless products. Qufield has the longest history and is the largest in the Korean industry of wireless caller system. We have been putting every effort to develop the wireless caller system basing on our know-how and technologies of the wireless caller system since 1996 when the wireless caller system first appeared in the korean market. Since our foundation, we have widened our application fields that can satisfy the market demands and increased our sales, maintaining the top position in the industry of wireless caller system. With the future-oriented and technology-oriented purpose along with the company policy"Listen" we will take more positive actions and listen to every word of our clients. We will put all the efforts we have in order to maintain the position of the NO.1 company that can perfectly deal with the rapidly changing market of wireless products.