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Stamping Parts / Precision Sheet Metal Fabrication


NBI provides high-precision, custom-engineered stamping and sheet metal components for automotive, industrial machinery, electronics, and commercial equipment manufacturers. With advanced stamping presses, CNC bending machines, laser cutting systems, and full surface-finishing lines, we deliver durable, accurate, and cost-efficient metal parts tailored to your specifications.


What is Stamping & Sheet Metal Fabrication?

Stamping and sheet metal fabrication involve transforming flat metal sheets into functional components through blanking, bending, deep drawing, punching, welding, and finishing. These processes enable rapid production, exceptional dimensional accuracy (up to ±0.1 mm), and consistent quality—ideal for medium to high-volume parts such as brackets, covers, enclosures, caps, and structural assemblies.


Our Stamping Services

Blanking & Laser Cutting

  • Precision cutting of sheet metal into required shapes

  • Suitable for prototypes (laser) and high-volume production (blanking)

  • Smooth edges optimized for downstream forming or bending

Bending & CNC Press Brake Forming

  • Accurate formation of angles, curves, and complex geometries

  • Supports stainless steel, carbon steel, HSLA, and aluminum

  • Ideal for brackets, frames, reinforcement parts, and mounting plates

Deep Drawing

  • Produces seamless, hollow, or cylindrical parts

  • Consistent wall thickness and high structural strength

  • Widely used for caps, covers, filter housings, and protective end plates

Punching

  • High-speed hole creation and structural cut-outs

  • Compatible with progressive die stamping for large-volume runs

  • Excellent dimensional repeatability

Welding & Assembly

  • MIG/TIG welding, spot welding, nut welding, and component assembly

  • Enables fabrication of boxes, cases, protective covers, or multi-piece structures


Materials We Work With

We support a wide range of metals to meet different mechanical, corrosion-resistance, and cost requirements.

Aluminum (5052 / 6061 / 6063)

Lightweight, corrosion-resistant—excellent for housings, brackets, electronics, and transportation systems.

High-Strength Carbon Steel (CR / HR / HSLA)

Highly formable and cost-effective; used for load-bearing brackets, enclosures, and structural components.

Stainless Steel (301 / 303 / 304 / 316)

Strength + corrosion resistance; ideal for food equipment, medical instruments, and outdoor industrial use.

Copper / Brass

Best for conductive components such as electrical contacts, terminals, and precision electronic parts.

Other Metals

Galvanized steel, spring steel, and customized alloys available upon request.


Capabilities & Equipment

Stamping Presses

  • Tonnage range: 50–400 tons

  • Suitable for deep-drawn, multi-step, or progressive stamping

  • High-volume production with consistent precision

Laser Cutting

  • Fine-profile cutting for prototypes and low-volume production

  • Smooth edges and high dimensional accuracy

CNC Bending

  • Multi-axis press brakes

  • ±0.1 mm bending accuracy

  • Complex geometries supported

Welding & Assembly

  • TIG/MIG welding, robotic welding (optional), spot welding

  • Fastener installation: nut welding, stud welding, rivet assembly

Quality Control

  • 2D/3D dimensional inspection

  • Surface finish testing

  • Material traceability and full documentation

Batch Size

  • Prototype → Small batch → Mass production

  • Flexible to support engineering changes and development cycles


Surface Finishes & Secondary Processes

We provide complete finishing services to improve corrosion resistance, appearance, and functionality.

Plating

  • Clear zinc

  • Yellow chromate zinc

  • Blue-white zinc

  • Nickel plating

  • Bright nickel decorative finishes

Coatings

  • Powder coating (textured, matte, semi-gloss, full gloss)

  • Wet painting

  • Anti-rust coatings

Mechanical Finishing

  • Glass bead blasting

  • Polished / Brushed (#4 satin)

  • Deburring, chamfering

Secondary Operations

  • Welding

  • Tapping & threading

  • Assembly

  • Laser marking

  • Sealant or O-ring installation


Industries & Typical Applications

Our stamping parts are widely used in:

Automotive

  • Brackets, mounting plates

  • Chassis reinforcement parts

  • Interior structures

  • Sensor housings

Industrial Equipment

  • Machine covers and boxes

  • Structural support components

  • Precision mounting hardware

Electronics & Electrical

  • Terminal plates

  • Conductive end caps

  • EMI shielding parts

  • Device mounting brackets

Appliances & Commercial Equipment

  • Stamped boxes

  • Reinforced brackets

  • Decorative machine covers

Energy & Utilities

  • Custom indexing plates

  • Protective housings

  • Console parts for gas transmission


Why Choose NBI for Stamping Parts?

Advanced In-House Manufacturing

From laser cutting and stamping to welding and finishing—everything is completed under one roof for maximum control.

Engineering & DFM Support

We help optimize materials, forming methods, and tooling to reduce cost while ensuring reliability.

Strict Quality Assurance

  • Full inspections

  • Dimensional reports

  • Material certifications

  • Surface quality checks

Flexible Production Capability

Prototypes → small runs → large-volume stamping with progressive tooling.

Reliable Surface Treatment Partners

Professional zinc plating, nickel plating, and powder coating lines for consistent finishing.

Strong Track Record

Over 20 years of experience serving automotive, industrial, electronic, and commercial customers worldwide.


FAQs

1. What is the smallest and largest part you can produce?

We support parts ranging from small electronic plates to large welded enclosures. Maximum sheet thickness depends on material and forming requirements; typically 0.5–6 mm.

2. What is your normal tolerance?

Standard stamping tolerance is ±0.1 mm depending on geometry and tooling.

3. Can you help optimize my design for stamping?

Yes, our engineers provide DFM recommendations to reduce cost and improve manufacturability.

4. Do you offer prototypes before mass production?

Absolutely—laser cutting and soft tooling allow quick prototypes before stamping tooling is finalized.

5. What finishing options are available?

Zinc plating, nickel plating, powder coating, bead blasting, brushing, polishing, and more.


Ready to Start?

Let our engineering team support your next stamping project with precision, reliability, and consistent quality.


 Start Your Project


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Nanjing Best International Co., Ltd. is a reputable manufacturer and supplier of industrial components based in China. Our factory is situated in Changzhou City, which can be conveniently reached within 1.5 hours by car from Nanjing.

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E-mail: helen@js-nbi.cominfo@js-nbi.com
Add: Rm3311, E08-1, No.268, Jiqingmen Ave, Nanjing, Jiangsu, China
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