Q690D seamless pipe Haiding steel pipe Q390B seamless steel pipe, Q690D seamless pipe Haiding steel pipe Q390B seamless steel pipe, Shandong Haiding Steel Pipe Co., Ltd. Q690D seamless pipe Haiding steel pipe Q390B seamless steel pipe, Q690D seamless pipe

Annual production and sales of Q345B welded pipes | Q345C welded pipes | Q345D welded pipes | Q345E welded pipes | straight seam welded pipes | manufacturer. The geographical location is unique and convenient for transportation. The company covers a total area of 300000 square meters and has 270 professional senior technicians, production and product inspection personnel. It has 3 domestically advanced spiral double-sided submerged arc welded steel pipe production lines, 3 hot-rolled and expanded seamless steel pipe production lines, and 2 large-diameter steel pipe production lines. The products are sold to 28 provinces, municipalities, and autonomous regions across the country, and exported to countries and regions such as Southeast Asia and the Middle East. The product complies with API SPEC 5L, 5CT, GB/T9711.2, SY/T5037, GB/T8163, GB/T8162 and other standards.  

Welded pipe products have complete specifications, strong technical strength, advanced equipment, reasonable process flow, scientific production management, and can be delivered in a timely manner. We pay attention to reputation and promote the principle of small batch, multiple varieties, and small profits but high sales.

Business philosophy: "The same product is better than quality, the same quality is better than price, the same price is better than service, and the same service is better than reputation.

Corporate spirit: "Unity, hard work, dedication, and pragmatic innovation" The company seeks sincere cooperation in a wide range of fields to enhance its overall strength.

Three guarantees of service: quality assurance, time assurance, and quantity assurance.

Service tenet: Strong strength, low price, good service.

Serious commitment: We guarantee to thank new and old customers for their trust with good products, excellent quality, low prices, and comprehensive services