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GRT(Beijing Guangruntong Technology Development Co., Ltd.) is headquartered in Beijing Zhongguancun Hi-Tech Park and began in April 2008. GRT has gathered a group of senior R&D personnel with an average age of more than 15 years. Under the background of the rapid development of the optical fiber industry and the optical fiber to households, GRT has always adhered to the strategic principles of quality and innovation, and has gradually grown into a high-tech fiber optic company that is currently well-known in China, which integrates R&D, production and marketing, and has its own intellectual property and its own brand.
The main products of GRT are Optical Fiber Network Cards, Optical Fiber Modules, WDM devices, Optical Converter, Optical Fiber Patch Cord, and Optical Splitter. All kinds of products have passed international certification such as FCC, CE, and ROHS, as well as national industry certification, and have won a number of scientific and technological progress awards and excellent product awards. On the road ahead, GRT is committed to building China's own national enterprises, achieving the goals of "Optics Links The World, Connects Us Togetcher".

Nentron is a professional power supply manufacturer in China. We are the member of Chinese Power Supply Institute,
the executive director of Wuhan Power Supply Institute and Hi-tech Enterprise of Wuhan, located at No 39 Gutian Er
Road, Wuhan, Hubei, P.R.China.
Nentron is doing the best on the R&D, production and service for power supply technologies and products. The main
products include: inverter, rectifier, DC-DC converter, charger, and other power conversion equipment which can be
widely used in the fields of telecommunication, electric, communication and military facilities. Nentron has approved the
ISO9001 QSC on Sep 2003.(Pls kindly see our product range at the website http://www.nentron.com/ )

AVIC JONHON OPTRONIC TECHNOLOGY CO., LTD. held by Aviation Industry Group of China, is the largest provider of interconnection solutions in military defense & high-end manufacture fields in China. JONHON is based in Luoyang and sets up sub-companies and subsidiaries in Xi’an, Shenzhen, Shenyang, Dongguan, Qingdao. In 2007, JONHON was listed in Shenzhen Stock and the stock code is 002179.
Having National R&D Center, Postdoctoral Research Center, and Test Center, JONHON specialized in R&D of optical, electrical, fluid technology and equipments, developing over 300 series and 250000 kinds of connectors. By the end of 2015, JONHON has obtained over 2000 patents, drafted and established over 200 occupation standards, gained the certifications including AS9100, ISO9001(2000), TS16949, ISO14001, OHSAS18001 and many key products past UL, CUL, CE, TUV, CB, etc.
Products are widely used in aviation, aerospace and military field, communication and data center field, railway transportation field, new energy vehicle field, power equipments, petroleum equipments, medical equipments, and other civil high-end manufacturing field, which are exported to more than 30 countries and regions including European countries, the United States, Israel, Australia, Korea, India and etc.
Practicing the purpose of “Contribute to Nation with Aviation Industry, Strengthen the Military Forces and Enrich the People” and implementing the corporate core culture of “honesty and virtue”, JONHON efforts to be the global leading provider of interconnection solutions.

At the core of Advantech’s implementation of corporate citizenship is its commitment to Corporate Social Responsibility (CSR). In accord with that commitment, Advantech has established its Board, Audit Committee, Compensation Committee, Risk Management and other mechanisms to oversee and help organize the corporate operation, audit institutions, improve corporate governance and make it fully responsible to its valued stakeholders. Moreover, through its quality management commitment which has been an essential part of its corporate culture, Advantech is devoted to consistent innovation in design, product quality and reliability, and in being responsible toward both its customers and the environment. Due to our on-going efforts, Advantech has not only grown steadily in size and profit, but also repeatedly won the endorsements of many well-known brands and product awards at home and abroad.