Premium grade flexible exhaust lines, banding systems, and heavy-duty structural steel plates
The Democratic Republic of Congo (DRC) stands at the epicenter of the global clean energy transition, anchored by the vast mineral wealth of the Katanga Copper Belt across Kolwezi, Lubumbashi, and Likasi. As hydrometallurgical operations, solvent extraction-electrowinning (SX-EW) facilities, and mineral processing infrastructures scale to meet worldwide lithium, cobalt, and copper requirements, demand for high-grade non-corrosive metals has escalated significantly.
Traditionally, local fabrication relied on standard mild steel or heavy imports from regional transshipment hubs. However, high chemical abrasion from sulfuric acid leaching processes, aggressive tropical ambient humidity, and extreme wear in heavy transport have triggered a structural industrial pivot towards precision stainless steel strips, slit coils, and customized banding materials.
Leading precision slitting, custom manufacturing, and global trade partner connecting China to Central Africa
Based out of the prominent port city of Ningbo, China, Xinjing Stainless Steel Co., Ltd. has established over two decades of technical authority in stainless steel processing, customization, trading, international distribution, and maritime logistics. Our integrated in-house manufacturing lines feature advanced precision slitting, multi-blanking, cut-to-length lines, tension stretcher leveling, precision shearing, and protective surface treatments.
With an unwavering dedication to industrial supply chains, we provide professional engineering advisory, active R&D in high-tensile alloys, and seamless multi-modal logistics straight to African ports including Dar es Salaam, Durban, and Lobito, facilitating efficient corridor transit to DRC's mining hubs. We are proud members of the Ningbo Household Electrical Appliances Trade Association and Ningbo Decoration Association.
Expanding our vertical capabilities, we invested in Ningbo Connect Auto Parts Co., Ltd., specialized in heavy-duty automotive flexible pipes, engine bellows, and corrugated piping designed for mining haul trucks and industrial generators.
Engineered to withstand rigorous equatorial climates, acid mist, and high-vibration mining mechanics
Electrowinning copper-cobalt plants utilize 316L precision strips and edge-conditioned foils for cathode edge strips, filtration screen frames, and acid-resistant tank bund linings that withstand concentrated sulfuric solutions.
Our stainless steel banding straps and epoxy-coated cable ties guarantee failsafe fastening of high-voltage transmission bundles running through underground tunnels, shaft infrastructure, and rugged terrain across Kolwezi.
Equipped with heat-resistant 409 and 430 strips, heavy diesel haulers and power gensets deployed in remote off-grid mining camps depend on our flexible interlock hoses and exhaust flex pipes to isolate engine vibrations.
From Kinshasa commercial hubs to Lubumbashi architectural structures, 304 decorative finish strips (hairline, mirror, embossed) provide maintenance-free aesthetics unaffected by tropical mold or moisture.
Inga Dam rehabilitations and localized municipal water chlorination projects require precision strip-welded pipes, pipe clamps, and non-magnetic stainless banding resistant to microbiologically influenced corrosion.
Refined copper cathodes and mineral concentrate shipments destined for global export depend on high-tensile 201/304 steel strapping systems installed with our S001 hand-operating tensioners to eliminate bundle collapse.
International standard compliance: ASTM A240, AISI, JIS G4305, EN 10088-2, and DIN certifications
Our slitting center supplies hot-rolled and cold-rolled stainless steel strips sourced from top-tier tier-1 mills including Baoxin, TISCO, Zhangpu, and Lianzhong. Materials are available across custom slit widths (from 3.0mm to 1250mm) and calibrated thicknesses (0.05mm to 3.5mm), equipped with burr-free deburred or round edges.
| Alloy Series | Material Grades | Standard Tempers | Primary Industrial Utility in DRC |
|---|---|---|---|
| Austenitic (300 Series) | 304, 304L, 316, 316L, 316Ti, 321, 317L | Soft Annealed, 1/4H, 1/2H, 3/4H, FH | Acid leach piping, cable ties, chemical plants, food processing, tank straps |
| Ferritic (400 Series) | 409L, 430, 436, 439, 441, 443, 444 | Bright Annealed (BA), 2B | Mining vehicle exhaust mufflers, catalytic converters, industrial ducting |
| Duplex & High Heat | 2205 (S31803/S32205), 310S, 347 | Cold Rolled Calibrated | Extreme slurry pipelines, mineral desulfurization units, furnace heat shields |
| Economic Austenitic | 201, 202 | Deep Drawing (DDQ), Hard Rolled | General bundling, cable clench, structural brackets, non-critical hardware |
| Carbon & Alloy Pipes | 10#, 20#, 45#, Q345, 16Mn, 42CrMo, 15CrMo | Seamless Hot & Cold Finished | High pressure boiler piping, fluid transportation, geological drilling rigs |
Combining AI-assisted coil slitting, strict quality assurances, and multi-country export know-how
Equipped with modern 20-high cold rolling mills, automated high-speed slitting lines, stretcher levelers, and smart surface treatment machinery.
Our experienced multilingual sales and engineering department understands the specialized trade logistics, customs clearance, and packing protocols required for African corridors.
Complete traceability. Every coil batch is rigorously inspected for dimensional tolerance, tensile strength, hardness, and salt-spray resistance prior to shipment.
From tailor-made strip coil inner diameters (300mm/508mm) to branded laser-etched cable ties and custom buckles, we adapt directly to engineering drawings.
Compliant with international automotive, environmental, and occupational safety frameworks
Continuous investment in cutting-edge rolling, strip processing, and finishing workshops



Actively connecting with global engineering firms and exhibiting industrial metal innovations
Behind our metallurgical consistency is a passionate group of metallurgists, skilled machine operators, and customer service specialists. We believe in building resilient international ties, encouraging team cohesion through periodic development outings, and maintaining high integrity across every contract.
Exporting to over 30 countries across Africa, Europe, the Middle East, and the Americas, our technical sales engineers regularly showcase at international industrial and automotive trade fairs, discussing custom engineering challenges face-to-face with mining leaders and commercial distributors.
Explore our full line of stainless steel banding straps, cold-rolled coils, locking tools, and automotive exhaust flex components
Continuous supply guarantees for specialized electrical, piping, and coil configurations
As the Congolese government and international mining conglomerates advance value-added mineral refining and expand renewable energy grids via hydro and solar projects, the demand for precision strip steel is expected to grow by over 8% annually across the region.
Xinjing Stainless Steel continues to optimize sea-land multimodal freight schedules, offering moisture-barrier wooden box packaging, sea-worthy container loading, and responsive technical documentation to ensure products arrive at Congolese mining sites in prime condition, ready for precision stamped parts, automated strapping, and high-pressure assemblies.
Whether you require standard 304 coils for municipal water systems in Kinshasa, 316L precision slit foils for acid leachers in Kolwezi, or strapping bands for cathode handling in Lubumbashi, our team delivers custom gauges, exact slitting, and full material test certificates (MTC) on demand.
In the future, we will strive to develop more downstream industries and apply stainless steel across broader global sectors.
Address: #99 Mujin Road, Yinzhou District, Ningbo China.
Phone/WeChat: 8615658728505
WhatsApp: 8618758320743
E-mail: info@wowstainless.com
For inquiries about our products or pricelist, please leave to us and we will be in touch within 24 hours
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