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Stranded steel wire is a steel product composed of multiple steel wires twisted together. The surface of carbon steel can be coated with galvanized layer, zinc-aluminum alloy layer, aluminum clad layer, copper plating layer, epoxy coated layer, etc. as needed.

Prestressed steel wire is a kind of steel wire made of carbon steel wire and used in prestressed concrete structures or prestressed steel structures.

Seamless steel pipes are divided into two types: hot-rolled (extruded) seamless steel pipes and cold-drawn (rolled) seamless steel pipes due to their different manufacturing processes.

Round tube refers to steel with open ends and hollow concentric cross-section, and its length is relatively large compared to the perimeter.

Alu-zinc steel plate is a cold plate that is coated with aluminum-zinc alloy by hot-dip plating after de-esterification and cleaning.

The basic concept of color-coated steel coil: cold-rolled steel strip, galvanized steel strip (electrogalvanized and hot-dip galvanized), galvanized steel strip are used as substrates on continuous units.

Corrugated steel plate is a type of metal plate that forms a special structure on its surface through a forming process. 

Galvanized strip steel is a raw material called (zinc, aluminum) coated to varying degrees on long and narrow steel plates that have been cold-rolled or hot-rolled.

Spiral welded pipe is a steel pipe welded by spiral forming process. It is widely used in petroleum, natural gas, water conservancy, construction and other fields due to its high strength, large diameter and good sealing.

Square tube is a metal product with excellent performance and wide applications, covering multiple industries such as construction, machinery, electronics, and automobiles.