Shenzhen HOP Electronic 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,  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 !