Shanghai Welltech Automation Co., Ltd. (002058.SZ) manufactures and sells industrial automation instruments and meters, as well as automotive inspection fixtures and equipment, primarily in China. The company offers pressure transmitters, electromagnetic flowmeters, piezoelectric transducers, temperature measuring instruments, valves, electric actuators, and control instruments; it also produces vehicle model inspection tools, component coordinate inspection tools, and other specialized automotive inspection fixtures for customers including Stellantis, Ford, SAIC GM, and Tesla. Founded in October 1992 and headquartered in Shanghai, the company operates through two main segments—automation instrumentation and automotive inspection fixtures—with its controlling shareholder Shanghai Zizhu Hi-Tech (Group) Co., Ltd.; it listed on the Shenzhen Stock Exchange in August 2006 and maintains a CNAS-accredited flow laboratory for calibrations up to DN3800. In recent developments, Shanghai Welltech Automation divested its loss-making instrumentation assets in May 2025, completed the acquisition of a 51% stake in Shanghai Zijiang New Material Technology Co., Ltd. for RMB 5.4 billion to enter the aluminum-plastic film market for solid-state batteries, acquired the remaining 49% stake in subsidiary Shanghai Ziyan Machinery Technology Co., Ltd., and closed the Zijiang New Material deal in 2025 to drive strategic transformation.