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PromiSpecial®: Automotive Steel Processing Solutions for Customized Auto Body Panels

Promispecial®️ delivers ​custom-engineered automotive steel processing solutions for critical vehicle components, including doors, hoods, trunk lids, and roofs. Our semi-finished steel sheets combine ​AI-optimized material properties with precision laser cutting and forming technologies, tailored to meet OEM-specific lightweighting, safety, and cost-efficiency requirements.

Precision Customization

Tailored Specifications: Adjust thickness (0.2–4.5mm), width (50–1850mm), and coating types (hot-dip galvanized, Zn-Fe alloy) to match your design blueprints.

Surface Treatment: Options include anti-corrosion coatings (1,000+ hours salt spray resistance) and pre-painted finishes for direct assembly.

Advanced Manufacturing Technologies

Laser Cutting & Welding: Dynamic laser systems achieve ±0.02mm precision for complex contours, ideal for door rings and roof panels. High-Speed Roll Forming: Process ultra-high-strength steels (UHSS up to 1,180MPa) with <1% material waste using IoT-guided roll mills

Certified Quality Assurance

​IATF 16949 Compliance: Full traceability from raw material to finished panels, validated by SGS/TÜV-certified labs. Performance Guarantee: Fatigue life >1 million cycles for hinge reinforcements and impact beams.

Agile Supply Chain

48-Hour Emergency Delivery: Regional inventories in Detroit, Stuttgart, and Guangzhou ensure rapid response. Small-Batch Prototyping: Test new designs with 500–1,000-unit pilot runs before mass production.

products

automotive roof panel
automotive fender panel
automotive trunk lid panel
automotive hood panel
Automotive Door Outer Panel
sheet metal for cars

Key Application

ComponentMaterial TypeKey Features
Car DoorsDP590-980 Dual-Phase SteelLaser-welded seams, anti-corrosion coating
Engine HoodsBake-Hardened Steel (340-450MPa)High dent resistance, lightweight design
Trunk LidsGalvanized TRIP Steel18% weight reduction vs. conventional steel
Roof Panels2150mm Ultra-Wide Cold-RolledSeamless one-piece structure, ±0.02mm flatness

Processing Capabilities

TechnologySpecificationsAnnual Capacity
High-Speed Slitting Lines0.2–3.0mm thickness, 50–1600mm width200,000 tons
800T Stamping Presses0.5–4.5mm thickness, 100–800mm width200,000 tons
Laser Cutting Systems0.5–3.5mm thickness, 500–1500mm width15,000 tons
AI-Driven Roll Forming LinesUHSS up to 1,500MPa, closed-section weldingCustom projects

Customization Workflow

  1. Design Consultation: Submit CAD files for feasibility analysis (72-hour turnaround).
  2. Prototype Development: Receive test panels with mechanical performance reports.
  3. Process Optimization: Adjust welding parameters or coating layers via IoT dashboards.
  4. Mass Production: Scale up with <0.5% dimensional tolerance guarantees.

Testimonials about how we provide quality services for you.

Need help or have questions about our services? Feel free to reach out to us.