Nanjing Wotian Technology Co, Ltd. was established in 2005, specializing in the production of pressure sensors. It is the leading domestic manufacturer of pressure sensors, with core technology of diffused silicon and glass micro-fused pressure sensors. The annual production of pressure sensors is more than 3 million, which are exported to more than 80 countries and regions. Nanjing Wotian Technology Co., Ltd. is a "high-tech enterprise" and is named "Sensor Model Enterprise" by the Ministry of Industry and Information Technology.