Corrugated pipes mainly include metal corrugated pipes, corrugated expansion joints, corrugated heat exchange pipes, diaphragm boxes, and metal hoses. Metal corrugated pipes are mainly used for compensating pipeline thermal deformation, shock absorption, and absorbing pipeline settlement deformation. They are widely used in industries such as petrochemicals, instrumentation, aerospace, chemical engineering, power, cement, metallurgy, etc. Corrugated pipes made of plastic and other materials are used in fields such as medium transportation, power wiring, machine tools, and household appliances.