WH-STEEL CO.,LTD covers a total area of over 66,000 square meters with more than 200 employees. It focuses on the the production of pipe fittings and flanges, achieving an annual output of 20,000 to 30,000 tons for pipe fittings and 40,000 tons for flanges. Both of them have independent workshops exceeding 33,000 square meters. In the pipe fitting manufacturing, WH-STEEL CO.,LTD possesses a comprehensive flange production capacity, encompassing forging to precision machining, and has mastered pivotal technologies in weld overlay Weldoverlay pipe fittings/pipelines, along with advanced internal and external coating anti-corrosion techniques. Notably, WH-STEEL CO.,LTD has been recognized as a cooperative supplier by Saudi Aramco in the domain of anti-corrosion pipe fittings. Furthermore, WH-STEEL CO.,LTD has successfully established a complete set of ISO quality, safety, and environmental

Yantai Steel Pipe Co., Ltd., formerly affiliated with Laigang Group, was successfully acquired by Weihao Group in 2024. The company covers an area of approximately 200000 square meters and has over 600 employees. It has 5 hot rolling production lines, specializing in the production of Ø 60~273 * 4~50mm carbon steel and alloy steel seamless steel pipes, with a maximum length of 24m and an annual output of up to 1 million tons; And one cold drawing production line, capable of producing seamless carbon steel and alloy steel pipes with a diameter of 6~159 * 1~30mm, with a maximum length of 13m and an annual output of 250000 tons. In addition, Yantai Steel Pipe Co., Ltd. has established a complete ISO quality, safety, and environmental management system and obtained multiple international product certifications such as API-5L and API-5CT.

Weihao Group is fully responsible for the foreign trade sales of HSPC INTERNATIONAL CO., LIMITED. The company covers an area of approximately 240 acres and specializes in the production of large-diameter straight seam double-sided submerged arc welded steel pipes. The diameter of the steel pipes ranges from 457.2 to 1422.4 mm (16-56 in), and the length range is 3 to 12.5 m. Recently, the company has introduced an advanced JCOE new energy pipeline production line, which has achieved full line PID and online non-destructive testing automation control. It is expected that the annual output of steel pipes can reach 300000 tons. In addition, the company has established a complete ISO quality, safety, and environmental management system and obtained multiple international product certifications such as API-5L, CE, PED&CPR, AD2000, etc.  

TWH STEL is a production center fully established by Weihao Group in Algeria in 2024, marking an important step in Weihao Group's global strategic layout. TWH STEL focuses on the production of pipe fittings and flanges, with an annual output of up to 20000 tons. As the first factory in Algeria specializing in the production of pipe fittings and pipelines, TWH STEEL is gradually establishing a global sales network covering Africa, the Middle East, and even Europe and America. It not only fills the gap in related industries in the region, but also actively promotes environmentally friendly production and energy conservation and emission reduction, committed to achieving sustainable development goals.