Черная углеродистая квадратная труба полые квадратные и прямоугольные стальные

Seamless square tube is a kind of long strip steel with hollow section and no seam around it. It is a square tube formed by extrusion of seamless tube through four sides of die. Square tube has hollow section and is widely used as a pipe for conveying fluid. It is mainly used in liquid transportation, hydraulic support, mechanical structure, medium and low pressure, high pressure boiler pipe, heat exchange pipe, gas, oil and other industries. It is stronger than welding and will not crack.

The application of square tube includes construction, machinery manufacturing, steel construction, shipbuilding, solar power support, steel structure engineering, power engineering, power plant, agricultural and chemical machinery, glass curtain wall, automobile chassis, airport, Boiler construction, highway railings, housing construction, pressure vessels, oil storage tanks, bridges, power station equipment, lifting and transportation machinery and other high load welded structural parts, etc.

Packing & Delivery                                                

Our Factory                                                         

        Heating Round Bar(Raw Material)                                    Punching Machine

      Hot Rolled Line                                                                    Finished Pipes

Shandong Chengxinying Commerce and Trade Co.,Ltd belong to Liaocheng Jiufa Steel Pipe Co.,Ltd.

Established in 2009,major in producing hot rolled seamless steel pipes and cold rolled seamless steel pipes.

“Jiufa” means keep the best quality and developmental concept forever.So our aim is:QUALITY FIRST AND KEEP MOVING.

Now we have 2 Hot Rolled Produce Line and 10 Sets Cold Rolled Machines.The yield of our factory is about 30,000.00TONS(20,000.00 tons hot rolled pipes & 10,000.00 tons cold rolled pipes).

Our pipes had export to Ecuador,Argentina,Canada,Russia,Turkey,Thailand,Pakistan,Korea and India markets.

Our chairman Mr. Zhang Xiyin warmly welcome you to visit our company and hope to establish a long business relationship with you and your company.

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