SMSTEEL
SMSTEEL
The global industrial landscape is undergoing a massive transformation, where the demand for 4x4 metal square tubing (often referred to as 100mm x 100mm SHS - Square Hollow Section) has reached an all-time high. As a critical component in modern engineering, these structural sections are the backbone of sustainable urbanization and industrial automation.
From the high-rise skylines of Dubai to the solar farms in the Australian outback, 4x4 tubing provides the essential strength-to-weight ratio required for complex load-bearing structures. Current market trends indicate a significant shift towards Pre-Galvanized and Hot-Dip Galvanized options, as global enterprises prioritize longevity and resistance against corrosive environments.
Monthly Output (Tons)
Years Experience
Export Countries
R&D Engineers
The procurement of structural steel is no longer just about price; it’s about technical compliance and supply chain resilience. Global buyers are increasingly seeking manufacturers who can offer integrated services—from customized cutting and welding to advanced surface treatments like HRPO (Hot Rolled Pickled & Oiled) and Zinc-Aluminum-Magnesium coatings.
Industry 4.0 has also made its way into steel production. At STEP MILLION STEEL, we utilize high-frequency welded lines and testing equipment from Germany and Japan to ensure every millimeter of our 4x4 tubing meets international standards such as ASTM A500, BS 1387, and DIN 2394.
Founded in 2010, STEP MILLION STEEL SUPPLY CHINA CO., LTD. has emerged as a premier manufacturer and global supplier of high-grade steel materials. Our expansive production facilities cover over 66,700 square meters, housing 8 high-frequency welded production lines capable of delivering 100,000 tons of monthly output.
Our commitment to excellence is backed by a team of 300+ professionals and 20 R&D engineers with decades of experience. We don't just supply steel; we provide structural solutions that power industries ranging from home appliance manufacturing to massive solar energy installations.
We maintain strategic partnerships with industry giants like LG Electronics and Xizi United, alongside top-tier steel mills such as Hebei Iron and Steel Group and Baowu Group, ensuring a steady supply of premium raw materials for our clients.
Over 20 inspectors with 10+ years of experience monitor every production step. We utilize German and Japanese testing equipment to guarantee adherence to GB, ASTM, BS, and DIN certifications.
With a massive monthly output of 100,000 tons, we offer expedited delivery schedules and flexible shipping terms to ensure your supply chain never breaks.
Our molding workshop and 20 R&D engineers can customize 4x4 tubing dimensions, wall thicknesses, and finishes to meet your specific project requirements.
Serving nearly 100 countries across Middle & South America, Southeast Asia, the Middle East, and Africa with a well-deserved reputation for integrity.
Standardized 24-hour response protocol and comprehensive solutions within 48 hours. We accept small-scale initial orders to build long-term trust.
Leveraging China's integrated steel supply chain and our high annual turnover (nearly 4 billion yuan) to provide highly competitive pricing without compromising quality.
The versatility of 4x4 metal square tubing makes it an indispensable asset in various sectors. Our products are engineered to perform in the most demanding environments:
At STEP MILLION STEEL, technical expertise is our defining competitive advantage. Our production process integrates multiple steps including longitudinal shearing, forming, high-frequency welding, and precision sizing. For specialized orders, we provide Pickling & Oiling (HRPO) to remove scale and provide a superior surface finish for painting or plating.
Our quality control remains the core priority. Rigorous monitoring systems are designed to eliminate the possibility of defects, ensuring that every batch of 4x4 square tubing meets the safety-critical requirements of our global partners. Whether it's Silicon Steel for transformers or Galvanized sections for greenhouses, our material integrity is never compromised.
