SMSTEEL
SMSTEEL
Founded in 2010, STEP MILLION STEEL SUPPLY CHINA CO., LTD. has emerged as a premier leader in the global steel manufacturing landscape. Our production facilities encompass a staggering 66,700 square meters, housing more than 300 skilled professionals and eight high-frequency welded production lines.
Each production line is a masterpiece of engineering, designed to execute at least five critical manufacturing steps with absolute precision. Our R&D department features 20 senior engineers, each bringing over a decade of expertise to ensure our 80g PPGI products meet the most rigorous global standards.
Years of Experience
Monthly Tons Output
Countries Served
R&D Experts
In the current industrial era, Pre-Painted Galvanized Iron (PPGI) with an 80g/m² zinc coating represents the "golden standard" for durability and cost-efficiency. This specific weight provides a robust barrier against oxidation while maintaining the flexibility required for complex architectural forming. As a leading wholesale 80g PPGI manufacturer, we track the surging demand in rapid urbanization projects across Asia and Africa.
The industry is shifting toward "Green Steel" and sustainable coating technologies. Modern 80g PPGI production now incorporates Lead-free paints and high-reflectivity finishes that contribute to energy-efficient building cooling. We are at the forefront of this transition, utilizing Japanese and German testing equipment to ensure our coatings exceed environmental compliance standards.
Global procurement officers are no longer just looking for materials; they are looking for reliability. The demand for 80g PPGI is driven by the need for consistency in color, micron thickness of the paint, and the structural integrity of the base steel. Large-scale developers require manufacturers who can provide ASTM, GB, BS, and DIN certifications simultaneously.
With over 20 inspectors possessing more than 10 years of experience, we meticulously screen every batch. Our raw materials are sourced from elite partners like Baowu Iron and Steel Group and Hebei Iron and Steel Group, ensuring that the 80g zinc substrate is uniform and pure.
Our service framework is built for speed. We guarantee a response to all inquiries within 24 hours and provide comprehensive technical solutions within 48 hours. This efficiency is critical for high-stakes construction projects where delays are not an option.
As a key player in the Chinese steel sector, we maintain an annual turnover of nearly 4 billion yuan. Our long-term cooperation with industrial giants like LG Electronics and Xizi United proves our status as a trustable, high-volume supplier.
Our 80g PPGI is the preferred choice for roofing and wall cladding in coastal regions where salt spray resistance is vital. The 80g zinc layer acts as a sacrificial anode, protecting the steel core for decades.
Used extensively by brands like LG for refrigerator side panels and washing machine casings, where aesthetic finish and scratch resistance are paramount.
From bus body panels to internal structural components, our pre-painted steel provides the perfect balance of weight reduction and structural durability.
Our materials are integrated into power distribution cabinets and motor housings, where the insulating properties of specialized coatings provide an extra layer of safety.
At Step Million Steel, the production of 80g PPGI involves a sophisticated multi-stage process. It begins with high-quality cold-rolled steel which undergoes a continuous hot-dip galvanizing process. The "80g" refers to the total weight of zinc applied to both sides of the steel sheet ($80g/m^2$). This specific coating weight is optimized for users who require higher corrosion resistance than the standard 40g or 60g options but wish to remain more economical than the 275g heavy-duty coatings.
The painting stage uses a two-coat, two-bake (2C2B) system. A primer is first applied for adhesion and chemical resistance, followed by a topcoat—typically Polyester (PE), Silicone Modified Polyester (SMP), or High Durability Polyester (HDP). Our state-of-the-art laboratory monitors color consistency using advanced spectrophotometers, ensuring that ΔE (color difference) is kept within strict industrial tolerances.
As a China-based manufacturer, we leverage the world's most complete steel supply chain. This allows us to offer Wholesale 80g PPGI at prices that are highly competitive without sacrificing material integrity. Our location near major shipping ports ensures expedited logistics to regions including Middle & South America, Southeast Asia, the Middle East, and Africa.
We understand that trust is built on transparency. That’s why we accept small-scale initial orders, allowing new clients to verify our quality before committing to long-term partnerships. Our commitment to "honesty and truth" isn't just a slogan; it's the foundation of our annual 4 billion yuan success.
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