Founded in 1997 with a registered capital of 83 million RMB, our company is a Specialized, Sophisticated, Innovative and New “Little Giant” Enterprise listed on the Innovation Layer of the National Equities Exchange and Quotations (NEEQ). We are committed to becoming a leading provider in the field of fluid measurement and control. For decades, we have consistently taken innovation as our core driving force. Backed by the Tianjin Air Tightness Testing Engineering Center, CNAS National Laboratory, ISO 9001 Quality Management System, Intellectual Property Management System, and Integration of Informatization and Industrialization Management System, we have continuously focused on the development and manufacturing of key measurement and control components, including air tightness leak detectors, pressure sensors, pressure gauges, flow meters, electro‑pneumatic proportional valves, and standard leak artifacts. On this basis, we provide customers with comprehensive solutions for automated fluid measurement and control. In industries including new energy batteries, construction machinery, 3C electronics, and intelligent fire protection, our core technologies—high‑precision micro‑leak detection, micro‑flow measurement and control, high‑reliability pressure monitoring, and high‑precision micro‑pressure control—are at the industry-leading level. We provide customers with full‑process technical services ranging from theoretical calculation and simulation verification to calibration and metrological traceability. Our products and services have been widely adopted in dozens of sectors, including conventional vehicles, gas appliances, 3C electronics, new energy vehicles, power batteries, energy storage, semiconductors, construction machinery, intelligent fire protection, pharmaceuticals, medical devices, home appliances, liquid cooling, and die casting. We have provided in‑depth services to globally renowned enterprises such as Huawei, Xiaomi, CATL, BYD, Goertek, Huaqin, Sany