TradeVerify Since the establishment, PIOLINK Inc. has provided faster and safe internet environment. Users often experience latency and deficiency of bandwidth due to the increase of Internet use. Although companies have made large investments in IT to resolve these problems, they hardly ensure quality service. PIOLINK Inc. has developed and supplied L4-7 switch products to resolve these problems. The L4-7 switch products are an optimum solutions to enhance 4S (the stability, scalability, speed, and security) of the network system with load balancing, QoS, Firewall, and packet filtering functions.We are making most of our effort to manufacture L4-7 switches through steady research and development to satisfy customers&＃39; needs. We will continuously introduce a variety of high-performance network equipment based on existing technology.