Steel doors are versatile options for exterior doors that need to withstand heavy traffic and weather. They are commonly used in commercial and industrial buildings like factories, hospitals, banks, and malls. The document discusses different types of steel doors like general doors, exit doors, sliding doors, fire rated doors, and windows. It provides details on access doors, scientific doors, emergency exit doors, hospital doors, and sliding windows. The company manufactures these products using CNC bending machines and maintains quality standards.