Company Profile  Â  Lang Tong Beijing Tianyu Communication Equipment Co., Ltd. was established in April 2002. Is specializing in the collection of mobile phone R & D, manufacturing, sales and service in one of the specialized high-tech enterprises. National Development and Reform Commission is formally issued by GSM / GPRS, CDMA mobile phone production licenses for the production of one.  Â  We focus on independent research and development of domestic mobile phones. The company has R & D center in Beijing, with including the doctorate or master's degrees, including more than 600 research teams. Have the ability to chip from the phone to start the whole process of development, including the appearance of mobile phones, structure and motherboard hardware design and software development, user interface design and software development of all production and production support.  Â  We have a strong marketing network cohesion. The company has 40 domestic branches (offices), as well as more than 300 authorized service centers.  Â  We base ourselves on the local community, to provide technology for the mobile phone solutions. The company has located in Tongzhou District, Beijing Zhongguancun Science Park, OPTO-mechatronics Industrial Park, an area of 15, 000 square meters factory, with a variety of well-testing equipment. Company by the Beijing Municipal Science and Technology Commission in 2002 found that high-tech enterprises in Beijing, with self-import and export rights.  Â  We adhere to the well-known brand loyalty does not meanbusiness philosophy. Tianyu Lang Tong will focus on the day the spirit of reserved words in the brand personality. Integration of their own advantages and focus on long-term goal of win-win cooperation, the use of professional and practical operating system, to build the first domestic mobile phone br