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Make Designs a Reality,
Make Products More Competitive

Professional CNC machining and injection molding services in China. Over 15 years of experience producing high-precision metal and plastic parts for global clients.

30+ Sets CNC Machines

3/5-axis CNC milling and turning for precision metal and plastic components.

20+ Sets Injection Molding Machines

High-volume plastic part production with low unit pricing.

1–100K pcs Capacity

From rapid prototyping to mass production, all under one roof.

Bring Your Idea to Life in 5 Days

Our Core Manufacturing Services

From concept to mass production, we offer a full suite of precision manufacturing services tailored to your product development lifecycle.

Rapid Prototyping

  • Volume: 1–1,000 pcs
  • Delivery: 2–12 working days
  • Technologies: SLA, SLS, CNC, Vacuum Casting
Learn More →

CNC Machining

  • Volume: 1–10,000 pcs
  • Capabilities: 3/5-axis milling, CNC turning
  • Tolerance: Up to ±0.002 mm
Learn More →

Injection Molding

  • Volume: 1K–100K pcs
  • Materials: ABS, PC, PEEK, Nylon, POM, PP, Teflon, etc.
  • Advantage: Low unit price at scale
Learn More →

Mold Manufacturing

  • Volume: 100K+ pcs
  • Type: Export-grade molds
  • Lead Time: 25–40 working days
Learn More →

Our Custom Parts Portfolio

High-precision CNC machined and injection molded components trusted by clients across 30+ countries.

Plastic Injection Molded Enclosure

Plastic Injection Enclosure

Custom ABS housing for industrial control panel. High-gloss finish with precise snap-fit design.

  • Material: ABS
  • Volume: 5,000 pcs/month
  • Process: Injection Molding
CNC Machined Aluminum Bracket

Aluminum Mounting Bracket

5-axis CNC machined from 6061-T6 aluminum. Anodized black for corrosion resistance.

  • Material: 6061-T6 Aluminum
  • Tolerance: ±0.005 mm
  • Process: CNC Milling
Medical Device Component

Medical Device Housing

Precision-molded PEEK component for surgical equipment. RoHS and ISO compliant.

  • Material: PEEK
  • Standards: ISO 9001, RoHS
  • Process: Injection Molding
Stainless Steel Valve Body

Stainless Steel Valve Body

CNC turned and milled from 316 stainless steel. Passivated and pressure tested.

  • Material: 316 Stainless Steel
  • Tolerance: ±0.003 mm
  • Process: CNC Turning + Milling
Multi-Spindle Machined Part

Multi-Spindle Machined Component

High-volume brass fitting produced using multi-spindle automation for cost efficiency.

  • Material: Brass
  • Volume: 50,000 pcs
  • Process: CNC Turning (Multi-Spindle)
Complex Plastic Assembly

Complex Plastic Assembly

Multi-cavity mold with overmolding and insert molding for automotive sensor housing.

  • Materials: PC + TPE
  • Process: 2K Injection Molding
  • Tooling: Export Mold
Nylon Gear Assembly

Nylon Gear Assembly

Precision injection molded Nylon 66 gears with tight meshing tolerances.

  • Material: Nylon 66
  • Tolerance: ±0.01 mm
  • Process: Injection Molding
Aluminum Heat Sink

Aluminum Heat Sink

Extruded and CNC finned heat sink with black anodized finish for thermal management.

  • Material: 6063 Aluminum
  • Finish: Black Anodizing
  • Process: CNC Milling

About SINO MFG

Founded in 2004, SINO MFG INDUSTRIAL CO., LTD. is a Shenzhen-based custom parts manufacturer with over 15 years of experience in CNC machining and plastic injection molding.

Located in Bao’an District, we leverage mature industrial supply chains for fast material procurement and rapid shipping. Our facility is ISO 9001 certified and equipped with advanced CNC and molding machines.

  • ISO 9001, RoHS, CE Certified
  • 30+ CNC Machines | 20+ Molding Machines
  • Serving Clients in 30+ Countries
  • One-Stop Service: From Prototype to Mass Production
Factory Interior

Our Quality Commitment

Quality is the most important factor to expand cooperation. We follow strict QC processes and maintain full traceability.

Quality Control Process

  1. 1 Raw material inspection and certification verification
  2. 2 In-process dimensional checks using CMM and optical comparators
  3. 3 Final inspection with full reporting and traceability
  4. 4 Packaging and shipment verification

Certifications & Reports

  • ✅ ISO 9001:2015 Certified
  • ✅ RoHS Compliance
  • ✅ CE Marking Support
  • ✅ Material Certificates (Mill Test Reports)
  • ✅ Dimensional Inspection Reports
  • ✅ PPAP and FAI Documentation Available
View QC Report Samples →

Get in Touch

Ready to bring your product idea to life? Contact us today for a fast, no-obligation quote.

Contact Information

Address: No.15, Shanmen First Industrial Zone, Songgang Town, Baoan District, Shenzhen, China. 518125

Tel: +86-755-25622770

Email: info@sino-mfg.com, steven@sino-mfg.com, cathy@sino-mfg.com

Skype: kf-mfg

Website: www.sino-mfg.com

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