Shenzhen Yuhang Optical Communication Technology Co., Ltd., headquartered in Shenzhen, is a high-tech enterprise focusing on the independent R&D, production, sales, and service of industrial Ethernet products. As a national "Specialized, Refined, Distinctive, and Innovative" enterprise, it has achieved multiple innovative technological results in the field of industrial Ethernet products. It is China's largest original manufacturer of industrial switches and the best-selling brand for outdoor industrial switches. Yuhang, as the initiator of domestically produced industrial switches, has its products fully certified by ISO9001, ISO14001, ISO45001, CQC, the Ministry of Public Security, the Ministry of Industry and Information Technology, and many other authorities. It is the only company in the industrial switch industry to receive the honor of "Pride of National Products," and has been fortunately reported and recommended by national authoritative media such as People's Daily, CCTV, and Xinhua News Agency. With years of deep cultivation in the industrial switch brand market and the OEM/ODM market for medium and large customers, the company focuses on the industrial switch product line, offering over 1,000 specifications and tens of thousands of models. It has been rated among the Top 10 Industrial Communication Brands for more than ten consecutive years and has been awarded the "Top 500 in China's Xinchuang (Information Technology Application Innovation) Industry," "Top 100 Leading Enterprises in Xinchuang," and "Top 100 Unicorns in the Xinchuang Industry" for three consecutive years. Yuhang's domestically produced industrial switches are recommended brands by CCTV, Guangdong Satellite TV, Pearl River TV, and Southern TV. Yuhang is committed to the R&D of advanced industrial switch technology and to making industrial switches market-oriented and accessible to the public.