🚢 Need Container Ocean Freight or Fast Air Cargo from China? Book Factory-to-Door Shipping with Cina Logistics →

Request Factory Sourcing & Quote

1. Scope
2. Product Specs
3. Customization & Files
4. Submit Inquiry
🔍 Factory Sourcing
🛒 1688 Buying
📦 Sample Bundling
🛡️ Factory Audit / QC
✓

Sourcing Request Submitted!

Our agents are contacting verified factories in Shenzhen. We will be in touch within 24 hours.

🛠️ Custom Product Engineering & Prototyping

OEM / ODM Product Development & Custom Tooling

Turn sketches and concept designs into mass-produced consumer products. We coordinate 3D CAD modeling, rapid functional prototyping, custom steel injection mold tooling, and precision assembly lines with audited Chinese factories.

CNC Precision Machining and Custom Mold Tooling China
Custom Steel Molds & CNC Prototyping Shenzhen Engineering Hub

End-to-End Product Engineering Solutions

From early concept validation to high-volume manufacturing, our bilingual engineering team protects your intellectual property.

3D CAD Design and Industrial Prototyping

3D CAD Design & Blueprints

We convert concept sketches, rough samples, and design notes into production-ready STEP, IGES, and DWG 3D industrial engineering files.

Functional 3D Printing and CNC Machining

Functional Prototyping

Rapid SLA 3D resin printing, CNC aluminum/plastic milling, and silicone soft-tooling to produce working evaluation samples within 5–7 days.

Custom Plastic Injection Mold Manufacturing

Tooling & Mold Fabrication

Precision hardened steel injection molds (P20, 718H, S136) for high-volume plastic, silicone, die-cast metal, and stamped components.

Development & IP Protection

  • ✓ Bilingual NNN Agreements: Non-disclosure, non-use, and non-circumvention contracts enforceable under Chinese law.
  • ✓ Mold Ownership Guarantee: You retain 100% exclusive legal ownership of all molds and tooling assets.
  • ✓ DFM Analysis: Design for Manufacturability audits to reduce unit production cost and minimize defect rates.

Sample Evaluation & Mass Production

  • ✓ T1 First-Article Inspection: Complete dimensional checks and material testing on the first trial run.
  • ✓ Certification Assistance: Facilitating testing for CE, FCC, RoHS, FDA, and REACH compliance.
  • ✓ Full Logistics Handoff: Direct export freight handling and customs clearance via Cina Logistics.

Have a New Product Idea or Technical Drawing?

Send us your product brief or 3D CAD files. Our engineering and procurement team will deliver a comprehensive tooling estimate and production roadmap within 48 hours.