Linyi City Longli Electronic Co., Ltd., established in July 2002, is a professional high-tech enterprise of electrical connectors. After five years of development, our company has begun to take shape. Our company now has 4 senior engineers, 12 engineers and 67 skilled workers with college education. Our company has passed ISO9001 international quality system certification, and was awarded High-Tech Enterprise in Shandong Province.Linyi City Longli Electronic Co., Ltd., on the north of Yangtze River, is specializing in the production of circular connector only for private sectors (for the remaining state-owned military factories), many of which have their own unique development conditions. Especially, our company independently researched and developed MX gas seal connector in 2006, with fixed production equipment, instruments, and skilled personnel.Products are tested by the state authorized institutions, and the performance meets the USA military standard MIL-C-26482G and customers' requirements. Our reliable and long life gas seal has reached the leading domestic level. Currently, our company has established cooperation with the Department of Space, National University of Defense Technology in Changsha, and Nanjing University of Aeronautics and Astronautics, more than 60 units.Our alternative power ring counter anti-leakage SF6 connector, which was independently researched and developed by our company in 2007, was named Science and Technology Achievement award in Shandong Province. The products are with low cost, safe use, reliable quality, and convenient installation. With a high reputation, we have got a large number of orders from electricity ASTRI, ABB (Beijing), Tsinghua Music, and other companies, having broad market prospect.