Laser as the light source easy condition monitoring external modulation optical transmitter

Sichuan Bihong Broadcast & TV technology Co.,Ltd, (hereinafter referred to as the "BH") was founded in 1992, its predecessor is Guanghan radio and television new technology development center, mainly engaged in radio and television information broadband network system planning, design, construction, and cable TV network technology research and equipment research, development, manufacturing and sales. The existing registered capital of 20,038,300 Yuan, is a national high-tech enterprise, Sichuan province "famous trademark", Sichuan provincial "guard contract, heavy credit" enterprise, national cable radio and television engineering general contracting second level enterprise. For more than 20 years, the company has a series of independent intellectual property rights of technology and products, and obtained the corresponding "approval certificate" issued by the state administration of radio, film TV, P.R. China, 27 existing utility model patents, exterior design patents in item 2, 13 computer software copyrights, 3 items the registration certificates of works and smoothly passed ISO9001-2008 international quality management system certification. On the 13th national invention exposition, the company developed the "four road back optical receiver" won the silver medal. In 2013, my company's main business is identified as national encouraging industrial projects by Sichuan province economic and informatization commission, and obtained the preferential tax policy support of development in the western region industry, won the first batch of provincial strategic emerging industry development special fund" in 2013. In the same year, company also won the "local characteristic industry of Sichuan province small and medium-sized enterprise development fund". Company is awarded the "large taxpayer", "excellent enterprise", "key industrial enterprises". by the Guanghan government for several successive years. Company production base covers an area of 30 mu, scientific research and development office building is 6000 square meters, with a complete set of advanced automatic assembly lines and perfect testing equipment. Strict production management system and production process ensure the consistency and stability of the product. The company's main products include CATV optical transmission equipment, cable television transmission equipment, data communications equipment, emergency broadcasting equipment, etc. Company's products cover all over cities in Sichuan, and markets to the cities in Chongqing, Kunming, Guiyang, Guangxi and other provinces, and some products exported to foreign countries, has the very high market share, and well received by users. The company has always been adhering to the "customer satisfaction, allows users to rest assured" tenet, research, development, production, debugging, testing of all products are in strict accordance with ISO: 9001-2008 provisions of the international quality management system, pay attention to the quality planning of the product, the implementation of continuous improvement, which has established a full set by the new international standard, appropriate and effective, with "BH" characteristics of quality management system. "Customer first, users first" is "BH" company always adhere to the guidelines. "BH" company not only pay attention to quality, but also has high credibility, high efficiency, high quality pre-sale, sale and after-sale service system. Companies across the country with maintenance service center, technical department to provide users with professional technical support, technical design, technology exchange, technical training, technical advisory services, the company attaches great importance to the establishment of the feedback mechanism, warmly welcome new and old customers and all the concern and support "BH" company good friends put forward stricter new requirements to "BH" products, in order to promote "BH" products" products constantly to the next level.