Shandong Yiguang Electronic Joint Stock Co., Ltd, the former of it is Shandong Linyi Semiconductor Plant, was established in 1966, is one of the earlist professional manufacturer of diodes, and also "SEVEN SPECIALITY" collaboration company.     In 1997, authorized by the People's Government of Shandong Province, Shandong Linyi Semiconductor Plant Combined with four corporation such as Shandong Linyi Yindu Electronic Co., Ltd and so on and sponsored Shandong Yiguang Electronic Joint Stock Co., Ltd. It is the first Joint Stock Co., Ltd established by sponsorship.     The capital of Shandong Yiguang Electronic Joint Stock Co., Ltd is RMB30.5 million. To the end of 2001, the company has more than 1000 members and stuffs, total assets of 154.99 million, fixed assets of 82.48 million. The company has passed ISO9000 certification in 1997, has confirmed as High-tech company in 1999, was ensured as first batch recommended enterprise of listing on GEM in 2000 by Beijing Securities Co., Ltd. in 2000.     The company is located in high-tech development zone of Linyi City - political, economic and cultural center of south Shandong Province with advantageous geographical location and covers an area of 108 Mu, and has total building of 26,758 square meter and 100000 class spotless workshop of more than 2000 square meter. It has all ready public services of water, electricity and gas. It is adjacent to two seaports of Lian Yungang and Shijiu to the east, Beijing-Shanghai Expressway to the west, Yan-Shi Railway and Linyi Airport with 205, 206, 327 national highway crossing Linyi City properly. It has an advantageous geographical location and telecommunication facilities.     With more than 30 years experience in manufacturing electronic components, the company has great popularity and high prestige at home and abroad. It has cited thrice by the CPC Central Committee, the State Council and the CPC Military Committee, and has awarded the titles of "Contract stressing and service" for 12 years by State Administration for Industry and Commerce, and repeatedly awarded "Satisfactory enterprise in product quality and service" by State Consumer Committee. During the investigation by Chinese Commodities Institute, Quality Institute, Electronic Chamber of Commerce, and Chinese Investigate & Statistic Office, "Yiguang" brand semiconductor discrete component has won the title of "ten famous brand" in semiconductor discrete component industry.