Shenzhen HOP Cable CO. ,ltd was established in 2002 and is a professional manufacturer for whole Network system product including CAT3/CAT5E，CAT6，CAT6A，CAT7 cable , fiber optic cables， pigtail ，adapter, usb cables , telephone cables, RJ11，RJ45 patch cord, faceplate，keystone jack， patch panel ， cable tester， tool , here you can get everything you need to build your network system , all our product with 20Years guarantee