DFJD.DFJD was established on January 13, 1997, with its registered office located in Xi'an City, Shaanxi Province. It is an enterprise integrating R&D, production, sales, and technical services. DFJD's core products include the P, C, N, G, and Z series Coriolis mass flow meters, CMS series oil-gas separation metering systems, BCS series batch metering control systems, and VR panoramic training platforms. These products are widely applied across petroleum, petrochemical, chemical, pharmaceutical, food, building materials, power, and new energy sectors. DFJD operates a dedicated R&D and production facility spanning 14,000 square meters. Its core mass flow meter technology leads domestically and ranks among the world's most advanced, securing a leading market share among comparable domestic products. The company has achieved notable success in replacing imported equipment. Key products include: Coriolis mass flow meters; sensors, transmitters, supporting components; CMS series oil-gas separation metering systems; and BCS series batch control systems.