Nanjing Technology and Equipment Manufacturing Co., Ltd. has devoted itself to research and professional manufacturing in the field of rolling functional components, accumulating 70 years of rich experience.
Hanwei Electronics Group Corporation (Stock no.:300007),founded in 1998,is the largest gas sensors and instruments manufacturer and the leading sensor-based IoT solution supplier in China. With IoT i
Nanjing Technology and Equipment Manufacturing Co., Ltd. has devoted itself to research and professional manufacturing in the field of rolling functional components, accumulating 70 years of rich expe