Customized Outdoor Fibre Termination Box WELCOME TO OUR COMPANY The company is certified by ISO9001 Quality management System, ISO14001 Environment Management System, and ISO18000 occupational health and safety management system. The products are certified by Taier Authentication Centre and has obtained the network access license of the Ministry of Information Industry. The company has 12 invention patents, 110 utility model patents and 4 software copyrights. learn more About Us Hangzhou HUAHONG Communications Equipment Co., Ltd.http://www.hh-opticalfiber.com/