The inspection process of multiple key structural positions on the "Deep Sea Warrior" vessel uses our company's H-ST (standard type) dye penetrant inspection agent. Each set includes three products: cleaning agent, penetrant, and imaging agent. Its characteristics are stable performance, high sensitivity, and good removal ability. It can be widely used in industries such as chemical, shipbuilding, power generation, pressure vessels, machinery, automobiles, metallurgy, petroleum, and railways for inspection.