Nanjing Jiucheng Technology Co., Limited, also known as Nanjing Helm Sci-tech Co., Ltd., is a manufacturer and trading company based in Nanjing, China, established in 2006. The company specializes in the R&D and production of pressure measuring and controlling instruments, offering OEM and ODM services. With a factory plant area of 548.66 square meters, they produce a wide range of products including Pressure Transducers, Pressure Sensors, Pressure Transmitters, Temperature Transmitters, Liquid Level Sensors, and Differential Pressure Sensors. Their extensive product portfolio covers hundreds of specifications across dozens of series, such as high-accuracy pressure sensors, vacuum pressure transmitters, digital display pressure gauges, and micro pressure sensors. They have introduced internationally advanced production technology and strict product quality standards to manufacture and sell their JC brand products.