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Precision Metal Parts
Manufactured to Perfection

16+ years of expertise in CNC machining, stamping, sheet metal, and busbar production. Trusted by global clients in the USA, EU, and beyond for stable quality and fast delivery.

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Why Choose CARSAI?

Since 2008, we’ve delivered precision metal components with engineering excellence, fast turnaround, and consistent quality.

16+

Years Experience

Specializing in CNC machining, stamping, and sheet metal since 2008.

<12h

Fastest Quotation

Send drawings and receive a detailed quote with engineering feedback.

Free

Engineering Support

DFM review, tolerance advice, and material selection guidance at no cost.

100%

Stable Quality

Full process control and inspection before every shipment.

Our Manufacturing Capabilities

From CNC machining to busbar stamping, we offer a full range of precision metal fabrication services.

CNC Machining

  • ±0.01mm tolerance available
  • Aluminum, stainless steel, brass, titanium
  • Small batch & mass production
  • 3-axis to 5-axis machining centers

Sheet Metal Fabrication

  • Laser cutting, bending, welding
  • Enclosures, brackets, frames
  • Powder coating, anodizing, plating
  • OEM customization supported

Busbar & Ground Bar

  • Progressive die stamping
  • Copper busbars, terminals, hardware
  • Tin, nickel, zinc plating
  • Mass production with stable quality

Custom Metal Components

  • Automotive, telecom, industrial parts
  • Fasteners, brackets, connectors
  • One-stop OEM/ODM production
  • Flexible MOQs

Our Manufacturing Strength

40+ CNC Centers

Including 5-axis machining centers (V650–1200) and 3–4 axis units (V650–2500).

Material Capabilities

  • Stainless Steel (304/316): 1–50 mm
  • Aluminum (6061/5052): 2–30 mm
  • Carbon Steel (A36/A572): 3–100 mm
  • Alloy Steel (4130/4340): 5–80 mm

Production Capacity

  • Aluminum: 30–50 tons/month
  • Stainless Steel: 10–20 tons/month
  • Carbon Steel: 20–30 tons/month

Welding & QC

  • Welding robots & TIG machines (Panasonic)
  • CNC welding fixtures (1.5m × 3m)
  • Automatic CMM (600×800×600, accuracy <2.4+L/300)
Precision Metal Stamping Machines

Our Custom Metal Products

Fully customized according to your drawings or samples. High-precision components for telecom, EV charging, industrial, and automotive applications.

CNC Machined Stainless Steel Components

CNC Machined Parts

Spacers, fittings, connectors, housings, shafts. ±0.01mm tolerance. Materials: aluminum, stainless steel, brass, copper.

  • • Milling size up to 600×600 mm
  • • Turning diameter: 1–300 mm
  • • Drilling, tapping, threading
Precision CNC Turned Parts

Precision Turning Parts

High-accuracy turned components for mechanical assemblies. Ideal for shafts, pins, and connectors.

  • • Diameter: 1–300 mm
  • • Tolerance: ±0.01 mm
  • • Materials: SS, Al, Brass, Ti
Stacked Ground Bars

Ground Bars & Busbars

Copper/aluminum busbars with tin or nickel plating. Used in telecom, power distribution, and server racks.

  • • Straight & bent configurations
  • • Threaded holes & mounting plates
  • • Plating: Tin, Nickel, Zinc
Precision Metal Parts Display

Stamped Components

Custom brackets, clips, plates, and enclosures. Deep drawing, bending, laser cutting, and welding.

  • • Materials: Al, SS, Carbon Steel
  • • Progressive die stamping
  • • Mass production capable
Inspection of Aluminum Parts

Aluminum Enclosures & Brackets

Electronic enclosures, frames, and structural parts. Anodized, powder coated, or plated finishes.

  • • Laser cutting & bending
  • • TIG & robotic welding
  • • Full inspection before shipping
Stainless Steel Components

Automotive Hardware

Custom machined and stamped parts for automotive and industrial systems. Mounting plates, connectors, brackets.

  • • Precision fit & finish
  • • High durability materials
  • • OEM/ODM supported
Metal Stamping Machines

Lighting Hardware

Components for indoor/outdoor lighting: lamp holders, shade rings, ceiling plates, arms, and connectors.

  • • Corrosion-resistant finishes
  • • Custom designs accepted
  • • Markets: USA, EU, Scandinavia
CNC Turned Parts

Custom Connectors & Fittings

Precision-machined connectors, adapters, and fittings for mechanical and electrical systems.

  • • High conductivity materials
  • • Tight tolerance control
  • • Plating and sealing options

What Our Global Clients Say

“CARSAI always responds quickly and provides reliable quality. We have been sourcing CNC machined parts and brackets from them for years.”

Engineering Manager

USA

“They helped us optimize drawings and reduced our machining cost significantly. Very professional and experienced supplier.”

Product Designer

Germany

“Stable quality and on-time delivery. A trustworthy manufacturing partner for our telecom and industrial projects.”

Procurement Team

Denmark

Frequently Asked Questions

1. What materials can you work with?

Aluminum (6061/6082/7075), stainless steel (304/316), brass, copper, steel, titanium.

2. What surface finishes do you offer?

Anodizing, powder coating, zinc plating, sandblasting, polishing (nickel, zinc, tin).

3. What is your typical lead time?

Samples: 5–10 days. Mass production: 15–25 days depending on complexity.

4. Do you offer design & engineering support?

Yes. We provide DFM review, tolerance advice, and material selection support at no cost.

5. Can you work with both small and large batches?

Yes. We support prototypes, low-volume, and high-volume manufacturing.

6. How do I get a quotation?

Send your drawings (STEP/PDF/DXF) with quantity, material, and finish requirements to echo@carsai-precisionparts.com.

Ready to Start Your Custom Project?

Fast quotation within 12 hours. 16+ years of precision manufacturing experience. Free DFM review & engineering support.

Contact Us

📧 Email: echo@carsai-precisionparts.com
📞 Phone / WhatsApp: +8615212743691
🏭 Factory Location: Kunshan City 215332, China
Visit Official Website to Contact
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