Quality comes first; service is foremost; business is cooperation" is our business philosophy which is constantly observed and pursued by our company for Network Performance Testing Tools, Mac Based Vlan , Network Monitoring Taps , Vlan Port ,Rj45 Tap . Our company has already set up a professional, creative and responsible team to develop clients with the multi-win principle. The product will supply to all over the world, such as Europe, America, Australia,Afghanistan , Mongolia ,Sierra Leone , Costa Rica .More than 26 years, Professional companies from all over the world take us as their long-term and stable partners. We are keeping durable business relationship with more than 200 wholesalers in Japan, Korea, USA, UK, Germany, Canada, France, Italian, Poland, South Africa, Ghana, Nigeria etc.