The Senter was built in 1996 and has passed the ISO9002 of International Quality System Approval in June. We are a professional company for develop, manufacture and sell instruments for telecommunication maitenance. There are 6 serious , 30 specifications of main products, such as the locator instruments of tel cable faults, linesman test set, ADSL tester, the integrated monitoring system for switch room , tel cable theft-proof monitoring system and optical fiber communication instruments etc. Our R&D department always work hard to technology development. Please visit our website to get more information .cn We hope to find great distributor to promote our products. Meanwhile, we want to share market and technology and bright future with you together.