Meet QIQIANG QQ‑61, our flagship multi‑purpose anti‑rust lubricant designed for extreme conditions. This 500ml aerosol spray penetrates deep into metal joints, loosens rusted bolts, and reduces friction between moving parts. Its unique formula displaces moisture to prevent flash rust and leaves a long‑lasting protective film that resists rain, humidity, and saltwater. Whether you’re maintaining automotive hinges, marine equipment, or industrial chains, QQ‑61 delivers reliable performance every time.