SMSTEEL SMSTEEL

Wholesale DD13 HRPO Supplier & Factory

Premium Hot Rolled Pickled & Oiled Steel Solutions for Precision Engineering and Global Industrial Excellence.

Expert DD13 HRPO Manufacturing

As a leading Wholesale DD13 HRPO Supplier, STEP MILLION STEEL specializes in the production of high-ductility, hot-rolled pickled and oiled steel. DD13 grade steel is internationally recognized for its exceptional deep-drawing properties, making it the preferred choice for complex structural components in the automotive and appliance industries.

Our HRPO process involves removing surface oxides (scale) through a specialized hydrochloric acid bath—a process known as pickling—followed by the application of a protective oil layer. This results in a cleaner, smoother surface finish that is ready for stamping, welding, and painting without the need for further surface preparation, significantly reducing production costs for our global clients.

Steel Manufacturing Facility

Global Status & Industry Trends

The global demand for DD13 HRPO steel is witnessing a significant surge, driven by the rapid evolution of the automotive industry toward lightweighting and the expansion of smart home appliance manufacturing in emerging markets. Currently, the HRPO sector is moving toward "Green Steel" initiatives, where manufacturers focus on reducing carbon footprints during the pickling process through acid regeneration systems.

In regions like Southeast Asia, Latin America, and the Middle East, the push for localized industrialization has created a massive requirement for high-quality raw materials. DD13 HRPO acts as a versatile bridge between traditional hot-rolled steel and expensive cold-rolled alternatives, offering a cost-effective solution for precision manufacturing.

🌐

Global Reach

Exporting to over 100 countries with localized support.

📈

Market Growth

Annual growth in HRPO demand for EV components.

♻️

Eco-Focus

Implementing sustainable pickling technologies.

About STEP MILLION STEEL

Founded in 2010, STEP MILLION STEEL SUPPLY CHINA CO., LTD. has established itself as a cornerstone of the Chinese steel export market. With over 15 years of operational excellence, we combine massive scale with engineering precision.

66,700+

SQM Factory Area

100,000

Monthly Output (Tons)

300+

Skilled Employees

15+

Years Experience

Our production lines are equipped with high-frequency welded lines and advanced molding workshops. We are not just a supplier; we are a strategic partner to giants like LG Electronics and Xizi United. Our technical depth is supported by 20 R&D engineers, each possessing over a decade of experience in metallurgical science.

We maintain deep strategic partnerships with China's Tier-1 steel mills, including Baowu Iron and Steel Group, Shougang Group, and Hebei Iron and Steel Group. This allows us to secure premium raw materials even during market fluctuations, ensuring price stability and supply chain security for our clients.

Production Line

Localization & Application Scenarios

Construction

Construction

High-strength DD13 HRPO for structural brackets and precision hardware.

Appliance

Home Appliances

Ideal for washing machine drums, refrigerator panels, and oven linings.

Roofing

Roofing & Framing

Providing the base material for coated and galvanized roofing systems.

Automotive

Automotive Industry

Deep-drawing steel for complex chassis components and seat frames.

Metal products

Metal Products

Custom fabrication for shelving, racks, and industrial containers.

Motor and Distribution

Energy & Motors

Specialized silicon and HRPO steel for electrical distribution units.

Our Chinese Factory Advantages

  • ✅ Integrated Supply Chain: From smelting to final pickling, our proximity to major ports and raw material hubs reduces transit times and costs.
  • ✅ Quality Assurance: Over 20 inspectors with 10+ years experience utilizing testing equipment from Germany and Japan to ensure GB, ASTM, BS, and DIN compliance.
  • ✅ Rapid Prototyping: Our R&D team can provide comprehensive solutions within 48 hours for customized steel requirements.
  • ✅ Flexible Logistics: We offer small-scale initial orders to build trust and provide expedited delivery schedules to maximize your supply chain efficiency.

Certified Excellence

All materials are CE certified upon request. We maintain an annual turnover of nearly 4 billion yuan, a testament to our reliability and financial strength in the global market.


"Honesty and Truth, Pioneering and Enterprising" — Our core business philosophy since 2010.