Precision Mold Manufacturing Service
Zorapid provides precision injection molds & custom tooling built for your production. Advanced CNC and seasoned designers boost mold durability, cooling efficiency and steady mass output.
- ±0.005mm Precision
- 1PC Prototype to Mass Production
- ISO Certified
Precision durable molds for scalable mass production
Zorapid Systematic Mold Production Process
Beyond mold making, we create reliable production solutions through our refined four-stage process.
DFM Analysis & Engineering
Zorapid Rapid offers free professional DFM analysis before mold production starts. We optimize wall thickness, draft angles, and gating systems to avoid defects such as sink marks and warping, making your design fully ready for stable, high-efficiency mass production.
Precision CNC & EDM Machining
We perform high-precision CNC machining for mold cores and cavities. For complex, fine details that regular milling cannot achieve.
Zorapid Rapid uses EDM to deliver sharp contours and intricate surface textures with precision up to ±0.0254mm.
Multi-Slide & Specialized Tooling
For parts with undercuts and complex side features, we build custom multi-slide molds. This advanced tooling enables automatic ejection, shortens cycle times, and eliminates costly secondary machining.
Mold Trial & Validation
Every mold goes through strict T1 first trial at Zorapid Rapid. We provide molded samples and complete dimensional inspection reports to ensure full consistency with your 3D CAD data before mass production.
Core Advantages of Our Precision Mold Manufacturing
- Micron-level Precision Control:Our mold cavities achieve tight tolerance up to ±0.005mm with mirror polishing Ra ≤0.2μm, ensuring consistent product appearance and dimensional stability for high-end medical, automotive and semiconductor parts.
- SLM Conformal Cooling Solution:Combining 5-axis machining with metal 3D printing, custom conformal cooling channels shorten injection cycles by 30% and eliminate warpage, sink marks and weld lines effectively.
- Pre-production DFM & Moldflow Simulation:Free manufacturability analysis and flow simulation before tooling, avoiding costly rework and cutting overall project lead time by 25%.
- Full In-house Closed-Loop Workflow:All processes from design, CNC, EDM, polishing, mold trial to small-batch molding are finished in our 3000㎡ workshop without outsourcing, strictly controlling quality.
- Multi-industry Certified Mold Solutions: We comply with ISO 9001 and IATF 16949 standards, supplying corrosion-resistant medical steel, high-hardness automotive steel and micro semiconductor molds.
- Flexible Molding Solutions: Two mold lines available: fast bridge molds for prototype verification within 3–7 days, and durable hard molds supporting 500,000–2,000,000 shots for mass production.
- Transparent Pricing & Reliable Lead Time: Clear quotation without hidden fees, professional engineers provide cost-saving structural optimization. Our on-time delivery rate reaches 98%.
- Strict Full Inspection & Complete Documentation: Every finished mold passes CMM full-size inspection, with formal inspection reports, material certificates and mold test samples provided for clients.
Our Range of Injection Molds
Single-Cavity Molds
One precision part per cycle, ensuring superior consistency and quality.
- Best for: Large components, complex geometries, and low-volume prototyping.
Multi-Cavity Molds
Consistent part specifications in every batch, greatly boosting production efficiency.
- Ideal for high-volume runs cutting unit cost and lifting productivity
Family Molds
Manufacture various matching parts in a single mold, reducing tooling cost and lead time.
- Best For: Product assemblies, kit parts, and matching structural components.
Multi-Slide Molds
Handles complex undercuts & intricate geometries via multi side-action mechanisms
- High-precisio parts demanding multi-directional core-pulling and complex side features.
Our Common Materials for Injection Molds
Material choice defines mold quality, service life, and final product performance. At Zorapid , we engineer with purpose-selected steels to ensure superior precision, efficiency, durability, and aesthetic results.
Pre-Hardened Plastic Mold Steels
Pre-hardened to 28–40 HRC, these steels allow direct machining without extra heat treatment. Featuring low deformation and excellent stability, they are the ideal choice for most standard and precision molds.
Below are our most popular grades:
Age-Hardening Stainless Steels
These steels gain exceptional hardness through precise heat treatment (solution + aging for age-hardening grades, quench + temper for 420).They offer outstanding corrosion resistance and superior mirror polishing, ideal for transparent, medical, optical, and high-gloss applications
Aluminum Alloys
Aluminum 7075 alloy is ideal for rapid prototyping and efficient manufacturing.Excellent thermal conductivity and machinability shorten lead times and cooling cycles.Strong heat dissipation ensures higher productivity and reliable performance in precision molding applications.
Industry Mold Applications
Customize various precision molds and supporting services tailored to production needs for all industries.

Precision plastic injection mold
A dedicated mold for high-precision injection molding of various plastic parts and components.

Al-Zn Die Cast Mold
Die-casting molds suitable for high-pressure mass production molding of aluminum and zinc alloy parts.

Medical Device Precision Mold
High-precision dedicated forming molds that comply with medical standards for medical parts.

Special Molds for Automotive Parts
Molds specially used to produce various automotive plastic and metal components.

Semiconductor Equipment Mold
Custom dedicated molds for semiconductor equipment precision parts.

Aerospace Component Mold
Precision molds tailored for high-precision aerospace components.
Why Zorapid for Precision Molds?
- Hybrid Manufacturing Technology
- DFM & Moldflow Simulation
- Industry Expertise & Certifications
- One-Stop Mold Manufacturing Service
- On-Time Delivery & Transparent Pricing
- Lifetime Mold Maintenance Support
FAQ
1.What is the typical lead time for a custom injection mold?
At Zorapid, we make mold lead times transparent and predictable, structuring timelines around your project’s unique needs to avoid delays and ensure quality:
Rapid Prototyping & Simple Molds (1–3 Weeks): Streamlined production for single-cavity, low-complexity molds.
Delivers production-ready parts quickly for validation or short-run production, no unnecessary wait times.
Production Molds (3–5 Weeks): Standard multi-cavity molds with mechanical features (sliders, lifters).
Designed for consistent, high-volume output—ideal for consumer and industrial products demanding reliability and speed.
High-Complexity & Precision Molds (5–10+ Weeks): For engineered-to-order molds (2K, unscrewing, medical-grade). Extra time allocated for precision heat treatment, intricate EDM work, and exhaustive T1 testing to meet strictest industry standards.
2.How does Zorapid guarantee mold quality and long-term support?
- Local on-site engineers worldwide
- 24/7 live remote video support
- Digital mold files for fast CNC replacement parts
- Full mold warranty with guaranteed cycle speeds and tool lifespan
3.How do you eliminate vacuum voids and internal stress in thick‑walled transparent parts?
For high‑transparency components like optical lenses and luxury packaging, uneven cooling often causes vacuum voids, shrinkage, and internal stress.
Zorapid solves this with 3D‑printed conformal cooling combined with high‑thermal‑conductivity beryllium copper inserts.
Cooling channels precisely follow the part contour to ensure uniform heat dissipation. This effectively eliminates vacuum shrinkage and internal stress, delivering flawless optical clarity.
4.How do you safeguard my IP and confidential design information?
We understand that IP protection is critical for global customers. Zorapid operates a professional confidentiality system to protect your proprietary technology and designs.
Encrypted Data Management Your drawings and 3D files are saved in encrypted storage with limited access only to authorized engineers.Confidentiality Commitment We sign binding NDAs and can use project codes instead of real part names to maintain internal confidentiality. Safe Destruction All leftover materials, test samples and rejected parts are safely disposed of to eliminate leakage risks.
5.What high-precision parts can your injection molds manufacture?
Medical device housings, automotive small structural components
Consumer electronics casings, semiconductor test fixtures
Optical transparent lenses, household cosmetic containers
Robotics lightweight enclosures and thin-wall precision assemblies
We hold ISO manufacturing certification for medical & automotive tooling.
What are the pros and cons of hot runner precision molds?
Cold runner: Low upfront cost, suitable for runs under 100,000 pieces.
Hot runner: No waste plastic runner, shorter cycle time for mass production.
Hot runner adds initial tool cost but cuts long-term material expenses.
We calculate cost comparison for you during quotation.
Which 3D CAD files can I submit for mold quotation & design?
We accept STEP, IGES, STL, SolidWorks, UG, Creo and CATIA files.
All models need complete manifold geometry with full product dimensions.
Our team repairs broken mesh or incomplete 3D files free of charge.
2D engineering drawings with GD&T tolerance labels are highly recommended.





