Profile: HQC Aluminum Case Co., Ltd is a manufacturer of custom aluminum cases. We offer aluminum tool cases, aluminum equipment cases, aluminum instrument cases, aluminum gun cases, flight cases, and presentation cases. Our products are widely used for commercial, industrial, and military applications. Our facilities manufacture cases in a variety of materials including plastic, metal, and wood with or without foam interiors. Aluminum is a great material for a toolbox since it's durable and easy to carry. An aluminum toolbox works as hard as the owner does. It withstands the wind, rain and even the harsh sun. Aluminum has a thin, durable layer of aluminum oxide that prevents corrosion.