How about Beijing Green Di Wei Technology Co., Ltd.

Greenville Technology Development Co., Ltd, formerly known as Broadband Division, is one of the earliest divisions in China to carry out EPON research projects. Jointly developed with Beijing University of Posts and Telecommunications a number of related national 863 plans, specializing in the research of EPON (Ethernet passive optical network) technology, all of which received the highest evaluation from Aa; On the basis of six years' technical development and three years' market application, Greenwich Di Wei Company soon has more mature EPON products, which are in a leading position in the optical fiber broadband access network: EPON products have entered the selection list of China Telecom (5 companies) and China Netcom (8 companies); In the same year, it passed the test of the national two-way network transformation project by the General Administration of Radio, Film and Television of China, and was successfully selected for the selection and commercialization of Hunan and Shandong radio and television; The newly entered overseas markets are also developing rapidly at a rate of more than 100% per year. At present, EPON products have spread all over Russia, Belarus, Bulgaria and other 15 countries and regions. We have reason to believe that Greenwich will become the mainstream access network equipment supplier in the world in the near future.