Yidu Group was founded in 1988 and is mainly engaged in R&D, manufacturing and sales of liquid crystal displays and liquid crystal display modules. Products are widely used in human-computer interaction interfaces for various electronic products and devices, such as medical devices, instruments, audio, household appliances, telephones, clocks, game consoles, etc. The Group's holding company, Yidu (International Holdings) Limited, was listed on the Hong Kong Stock Exchange in 1993. Jiangmen Yidu Semiconductor Co., Ltd. and Jiangmen Yidu Electronic Technology Co., Ltd. are two production bases established by the Group in mainland China. The Group also produces coated glass, which not only guarantees the production of liquid crystal displays, but also uses some products for export sales. In recent years, Billiondo Group has also cooperated with research institutions such as Tsinghua University to successfully develop OLED products, and has invested in the establishment of Kunshan Weixinuo Display Technology Co., Ltd., focusing on developing OLED and module products and expanding the Group's product coverage. The Group's senior management has rich production management experience and product expertise, and can provide standard products or develop specific products according to the different needs of customers. Over the years, the Group has attached great importance to the development and continuous improvement of quality and environmental management systems: it obtained the IS 09001:1994 certificate in 1998; passed the ISO 9001:2000 certification in July 2002; successfully passed the ISO14001 environmental system certification and won the IS 014001:1996 certificate in September 2003; passed ISO 4001:2004 certification in November 2005; and ISO/TS 16949:2002 certification in February 2005. After 20 years of steady development, Billiondu Group has become the world's largest monochrome flat panel LCD provider; with its rich experience in product development, production, sales and logistics, today Yidu Group has gradually expanded its product chain to the field of color LCD by developing OLED and TFT products, and has achieved the corporate mission of “surpassing customer needs” and “providing customers with one-stop service”.