The bent pipe is bent with complete set of bending equipment, which can be divided into two kinds of technology: simmer and hot push. No matter what kind of machinery and equipment and pipelines, most of them are elbow pipe, mainly used for oil, gas, infusion, engineering bridge construction and so on.

The elbow is made of cast iron, stainless steel, alloy steel, malleable cast iron, carbon steel, non-ferrous metal and plastic.