BHC Navigation Co., Ltd. (BHCnav: Best Handheld Creator in Navigation) was legally registered in Beijing in 2004 and headquartered at Zhongguancun, which is considered as the Chinese Silicon Valley. With the purpose to promote the development of China satellite positioning and navigation industry, we focused on the field of GNSS development and modernization. In 2009, BHC Navigation made the decision to develop its own products and brand, and released the NAVA handheld GPS on the market in 2010. The next year, the second product, the GIS data controller, was released. Followed one year later by the area calculator. As success grew,and our Handheld GPS/GIS have won high reputation both at home and abroad,we want to expand our markets,so we want to build dealership with friends all over the world.