Shandong Yiguang Electronic Joint Stock Co., Ltd is a joint-stock Company sponsored by Shandong Linyi Semiconductor Plant in 1997. It is the designated enterprise collaboration of military product; also it is the standardization of corporate management and technological innovation in Linyi City. Shandong Provincial Government has been identified as high-tech enterprises in 1999. Now the company has more than 1000 members and stuffs, among which there are more than 400 professional and technical personnel and 36 with senior title. Total assets of 154.99 million, covers an area of 108 Mu, the building covers 21 thousand square meter, and 100000 class spotless workshop of more than 2000 square meter.     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, 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 40 years experience in manufacturing electronic components, the company has great popularity and high prestige at home and abroad. The leading product of the company is the silicon rectifier, zener, switching, skchotty diodes, L.E.D., LED components, small signal SMD diodes and transistors, small power MOS transistor, all kinds of digital transistor, , all kinds of piezoelectric ceramic resonator, new type piezoelectric special transducer. And now the annual product capacity is of 45 billion pieces. The company undertook the national item of research and manufacture “High Frequency Piezoelectric Ceramic Resonator” has passed the national-level acceptance. Small-signal semiconductor discrete components SMD production line technical transformation has awarded as the "high-tech industrialization demonstration project" by national Development and Reform Commission. "Yiguang" trademark has won the most potential brand for electric company in China.     The company adopted standardized management, has passed ISO9002 certification in 1997, and in 2003 has passed ISO9001 certification and ISO14001 certification.     The of the company's development policy is: "the system more scientific and standardized management, operating scale, high-tech products, market globalization, the effectiveness of the Center of".     The company's belief is: "adhere to the people-centered, attention to product quality, customer satisfaction, the pursuit of customer satisfaction, promote pollution prevention, the protection of human environment, and explore scientific and technological innovation to achieve continuous improvement." In order to ensure the provision of timely services to customers, company set up offices in Shenzhen, Shanghai, Qingdao, Mianyang, Suzhou, and Huizhou. Yiguang electronic is your trustworthy partner, and your trusted friend. Mr. Lin Junren chairman of the company is willing to work with people from all over the world to make concerted efforts in planning the great undertaking together.