Tianjin Yuantai Derun Group and top consulting institutions, universities, scientific research units, and industrial alliances in the domestic steel industry have conducted extensive cooperation in production, education, research, and application, and have over 80 technical patents. Advanced production equipment, exquisite technical strength, excellent management and technical talents, and strong financial strength provide a strong guarantee for producing high-quality, refined, and cutting-edge products. We have taken the lead in initiating, drafting, and formulating a series of application-oriented group standards such as "Square Square Square Tube for Building Structures", "Square Square Square Tube for Mechanical Structures", and "Hot Dip Galvanized Square Tube for Structures" in the industry, The industry standard of Technical Specification for Green Design Product Evaluation Square Rectangular Pipe for Building and the national standard Technical Guidelines for Energy audit of Iron and Steel Industry have been prepared; The company's 500 square meter, 300 square meter, and 200 square meter production lines have achieved electronic control automation from type change to finished product, making it the most advanced high-frequency steel pipe production technology in China. The group currently has 65 black high-frequency welded pipe production lines, 26 hot-dip galvanizing processing lines, 8 photovoltaic support production lines, 6 zinc aluminum magnesium steel pipe production lines, 3 spiral welded pipe production lines, 2 zinc aluminum magnesium steel coil production lines, and JCOE Φ 1 1420 structural circular pipe production line. Square steel pipe products are widely used in steel Structural engineering, glass curtain wall engineering, prefabricated steel structure residential buildings, large venues, airport construction, high-speed guardrails, urban road guardrails, decorative guardrails, tower crane manufacturing, photovoltaic new energy projects, greenhouse agricultural shantytowns, bridge manufacturing, shipbuilding, automobile manufacturing, machinery manufacturing and many other fields, and have been unanimously praised in major construction projects. "Yuantai Derun" brand rectangular tube is the only supplier and service provider of 70000 ton rectangular tube products for the "the Belt and Road" Egyptian agricultural greenhouse project of the Ministry of Agriculture of China, the only supplier and service provider of 135000 ton hot-dip galvanized structure circular tube products for the construction of Qinghai ten million Kilopower new energy base, the largest power photovoltaic project in China, the supplier of hot-dip galvanized rectangular tube products for the Hong Kong–Zhuhai–Macau Bridge project, the Beijing National Indoor Stadium, the National Grand Theater Beijing Tongzhou Administrative Service Center and other square and rectangular tube suppliers of national key projects are high-quality partners of well-known enterprises such as China Minmetals, Shanghai Construction Group, China Railway Construction Corporation, China National Machinery Corporation, Hangxiao Steel Structure, and Duowei United Group.