Valves serve as core fluid‑control components in marine and shipbuilding industries, widely applied in power systems, cooling circulation, fuel‑oil delivery and other processes. Under harsh marine conditions, valves shall deliver corrosion resistance, high‑pressure tightness and quick opening‑closing performance to guarantee navigation safety and equipment reliability. From merchant ships to drilling platforms, valve design shall strictly comply with international standards to cope with salt fog, vibration and temperature fluctuation. High‑efficiency valve technology directly improves vessel energy efficiency and environmental‑protection performance.