Hunan Longshengda Steel Pipe Manufacturing Co., Ltd. was established in2008Year, registered capital1Yiyuan, located in Gaoxing Logistics Park, Changsha, Hunan, the factory is adjacent to Jinxing Avenue, Leifeng Avenue, Wangcheng Avenue, and the Third Ring Road319National highways, etc., with convenient geographical location and transportation.

The company currently has two large spiral steel pipe production bases, multiple double-sided submerged arc welded spiral steel pipe production lines, and coated spiral pipelinesPESpiral pipeline, capable of producing a diameter of219-2820mmThe wall thickness is6-24mmDouble sided submerged arc welded spiral steel pipe; Spiral tube anti-corrosion, steel plate and drum processing can also be carried out, all using mature and stable forming technology.

The company adheres to the business philosophy of quality first and has successively obtained high-tech enterprise, after-sales five-star service certification certificate, water related hygiene license approvalAAAAAQualifications and certificates such as credit rating certificates; At the same time, throughISO9001：2000Quality management system certification, special equipment manufacturing licenseISO14001：1996Environmental management system certificationISO15001：2018Energy management system certification and other standard certifications.

The company's products adopt a scientific management system that controls the entire process from raw material inspection, process manufacturing, online production, quality monitoring, finished product delivery to after-sales service, establishing a strict product quality control system.

At the same time, the entire series of products of the company have been tested by relevant testing institutions and have passed multiple product quality inspections, and have been rated as qualified'National steel pipe steel plant brand'"Hunan Province's two types of products", "Changsha City's eighth batch of intelligent pilot enterprises", etc.

The product is widely used in urban pipeline construction, urban heating pipelines, underground water diversion, sewage, bridge pipe piles and other projects. It has participated in the completion of multiple long-distance oil and gas transmission and water pipeline anti-corrosion projects in the central and southern regions, and has established strategic cooperation relationships with China Construction Fifth Engineering Bureau, Changsha Metro and other units. The product quality and after-sales service have been well received by users.

For many years, in order to meet the growing product and service demands of our customers, the company has invested billions of yuan to build a large-scale steel manufacturing base that integrates research and development, production, and warehousing. At the same time, the company always adheres to the business philosophy of quality first and customer first, continuously improves its own skills, and wholeheartedly provides customers with satisfactory products and services!