Explore our primary industrial grades, custom channels, and steel structural materials engineered to ISO 9001 and international standards.
Dongguan TEDDI STEEL Co., Ltd. is a professional stainless steel manufacturer and global supplier specializing in stainless steel plates, coils, pipes, tubes, and a wide range of industrial metal materials. The company is committed to providing high-quality stainless steel products that meet the demanding requirements of industries such as construction, automotive, machinery, energy, food processing, and chemical engineering.
TEDDI STEEL offers an extensive product portfolio including stainless steel sheets, cold rolled and hot rolled coils, seamless and welded pipes, precision tubes, bars, and customized metal solutions. All products are manufactured using premium raw materials and advanced processing techniques to ensure excellent corrosion resistance, durability, and mechanical performance across various applications.
Equipped with modern production facilities, advanced slitting, cutting, and finishing lines, as well as strict quality inspection systems, Dongguan TEDDI STEEL Co., Ltd. ensures consistent product quality and reliable supply capabilities. The company adheres to international standards and implements rigorous testing procedures to meet customer specifications and industry requirements.
In addition to standard products, TEDDI STEEL provides flexible customization and OEM services, supporting clients with tailored dimensions, surface finishes, and packaging solutions. With a strong focus on quality, efficiency, and customer satisfaction, the company continues to serve as a trusted partner for stainless steel and industrial metal material solutions worldwide.
Why global procurement departments leverage Chinese fabrication pipelines for high-performance raw materials and utensils supply chains.
China's steel clusters offer unprecedented consolidation of raw material extraction, metallurgy, rolling mills, and precision processing. This spatial proximity dramatically reduces transshipment delays and lowers primary energy costs, allowing TEDDI STEEL to supply custom materials with shorter lead times.
Modern Chinese mills employ advanced vacuum induction melting (VIM), electroslag remelting (ESR), and argon oxygen decarburization (AOD) systems. This delivers ultra-clean stainless steel with minimal inclusion levels, enhancing weldability and ductility for high-demand food processing and structural projects.
From commercial No.4 brushed and BA (Bright Annealed) finishes to 8K mirror polish and anti-fingerprint coatings, China's processing facilities specialize in surface treatments that meet exact aesthetic and hygienic parameters for commercial kitchenware and food-grade equipment.
A professional comparative framework for engineers and procurement managers when selecting stainless steel grades for corrosive, structural, and food contact environments.
| Steel Grade (UNS) | Alloying Elements (Cr, Ni, Mo, C) | Hygienic / Food Safety Compliance | Primary Industrial Application Scenarios | Key Mechanical Performance Index |
|---|---|---|---|---|
| SUS304 (S30400) | 18% Cr, 8% Ni, Max 0.08% C | FDA, NSF/ANSI 51 Approved | Kitchenware, food processing machinery, architectural paneling, commercial utensils. | Tensile Strength ≥ 515 MPa, Yield Strength ≥ 205 MPa |
| SUS316L (S31603) | 16% Cr, 10% Ni, 2% Mo, Max 0.03% C | Excellent FDA rating, chemical inertness | Marine fittings, chemical containers, pharmaceutical pipes, medical components. | Tensile Strength ≥ 485 MPa, Yield Strength ≥ 170 MPa |
| SUS430 (S43000) | 16-18% Cr, Max 0.75% Ni | FDA compliant for dry contact | Induction cooker-compatible pan bottoms, utensil handles, domestic appliances. | Tensile Strength ≥ 450 MPa, Ferritic (Magnetic) |
| S31803 (Duplex) | 22% Cr, 5% Ni, 3% Mo, 0.15% N | Not commonly used for food contact | Heat exchangers, oil & gas structural piping, high-load industrial pressure vessels. | Tensile Strength ≥ 620 MPa, Yield Strength ≥ 450 MPa |
Decarbonization, smart manufacturing, and the circular economy are redefining how stainless steel raw materials are procured and processed.
As global regulations tighten and organizations commit to strict Scope 3 emissions targets, the stainless steel supply chain is transitioning. Major procurement firms are no longer looking solely at price-per-ton; they require granular environmental and performance metrics. Key trends reshaping our manufacturing and distribution practices include:
How we transform raw steel into high-yield structural components, specialized pipes, and optimized material grades.
A visual tour inside Dongguan TEDDI STEEL's manufacturing lines, processing workshops, and quality testing labs.
High-accuracy dimensions, special alloys, and custom length configurations for manufacturing, infrastructure, and heavy machinery.
Our engineering team answers critical questions regarding metallurgy standards, quality control certificates, and shipping logistics.
All shipments are dispatched with standard EN 10204 3.1 Mill Test Certificates (MTC) detailing chemical heat analysis, mechanical tensile limits, yield values, elongation ratios, and hardness metrics. We also support third-party inspection agencies such as SGS, TÜV, and Intertek on request.
While SUS201 has higher manganese content and is more cost-efficient, it has significantly lower nickel content. This makes it prone to rapid pitting corrosion when exposed to organic acids, salt, and water during cooking, whereas SUS304 contains at least 8% nickel, guaranteeing long-term rust resistance and satisfying strict FDA and LFGB hygiene regulations.
For cold-rolled coils, we achieve a standard gauge tolerance within +/- 0.02mm using automatic thickness control (AGC) mills. For precision tubing, our external diameter (OD) tolerance is within +/- 0.05mm, conforming strictly to ASTM A269 or EN 10217-7 depending on the regional specifications requested by the customer.
Clad plates bond a thin layer of highly corrosion-resistant 316 stainless steel to a thicker carbon steel structural base. This explosive or hot-rolled bonding process provides the chemical protection of solid 316 steel on the process-facing side while reducing total raw material expenses by 30% to 50% through the use of carbon steel for load-bearing requirements.
For outdoor facade cladding, a Hairline or No.4 brushed finish with an anti-fingerprint (AFP) coating is recommended to minimize glare and resist environmental grime. For commercial kitchens and utensils, a bright annealed (BA) or Mirror (8K) finish is ideal because it is smooth and easy to disinfect, preventing microscopic organic deposits.
Coils and sheets are wrapped in heavy-duty waterproof paper, secured with metal strapping, and isolated using high-density wooden pallets. For mirror-finish materials, we apply a double layer of 70-micron protective PE/Laser film to prevent micro-abrasions during maritime transit and warehousing operations.
TEDDI STEEL
