Beijing Shangtongda Technology Co., Ltd. was established in 2008. It is a domestic and foreign trade integrated company which takes sensors, single-chip computers, power chips as the main business. The company takes the temperature sensor as the leading, provides research, development, design and implementation of temperature control scheme. The company has rich product R & D design and testing experience. Relying on advanced technical strength, professional R & D team, leading development platform, efficient enterprise management, the company undertakes R & D, processing (ODM, OEM), check, debugging and other items for all kinds of products. It also provides customers with integrated circuit customization, design, testing, packaging, mass production services.