Plastic Injection Molding Services
Your end-to-end injection molding partner. We deliver precision plastic parts with 100+ material options, fast turnaround, and competitive pricing.
Our Injection Molding Services
We provide comprehensive plastic injection molding solutions tailored to your project requirements, from prototyping to full-scale production.
Rapid Prototyping
Quick-turn injection molding for design validation and functional testing before mass production.
- 3-7 day turnaround
- Aluminum tooling for speed
- Low minimum order quantity
- Design for manufacturability feedback
High-Volume Production
Mass production with steel molds for maximum efficiency and lowest per-part cost.
- Steel tooling for durability
- Automated production lines
- Quality control at every stage
- Just-in-time delivery options
Custom Solutions
Specialized injection molding services including insert molding, overmolding, and multi-material.
- Insert and overmolding
- Two-shot/multi-material molding
- Liquid silicone rubber (LSR)
- Micro-injection molding
Injection Molded Parts Made By Us
Medical Fluid Connector
Ultrasonically welded and leak-tested after molding for guaranteed sterile fluid paths.
Automotive Vent Grille
Molded with precise, deep textures to achieve a consistent matte appearance across complex surfaces.
Wearable Device Band
Soft-touch overmolding on a rigid core for durable and comfortable skin contact.
Design for Manufacturing Guidelines
Critical design parameters and tolerances for optimal injection molding results. Follow these guidelines to ensure manufacturability and quality.
Precision Injection Molding Services Supplier
Located in Shenzhen’s advanced manufacturing district, our 50,000 m² vertically integrated facility operates 8 specialized production shops and is equipped with 300+ advanced machines.
We support end-to-end manufacturing in one location, including CNC machining, precision injection molding, sheet metal fabrication, 3D printing, as well as in-house surface treatment and quality inspection lines.
Why Engineers Choose ApexBatch
Comprehensive Free Services
Full-spectrum support including DFM analysis, process optimization, design validation, and quality inspection. Reduce trial costs with free engineering verification.
Flexible Manufacturing
From single prototypes to 500+ production runs. Perfect balance of ultra-precision machining and cost-effective solutions for rapid R&D iteration.
Ready to Start Your Project?
Upload your STEP/IGES files now for a professional manufacturing analysis and quote.
Get Instant QuoteEnd-to-End Service
Complete workflow from design to delivery. Support for expedited production, batch scheduling, and custom delivery solutions under one roof.
Expert Support System
Dedicated sales + engineering teams, visual order management, compliance adaptation, and risk analysis. 24-hour rapid response with professional support.
Our Injection Molding Process
Our comprehensive injection molding workflow ensures precision, quality, and consistency from design to final part delivery.
1. Design & DFM
3D model analysis and Design for Manufacturability feedback to optimize part design.
2. Tooling & Mold Making
Precision mold fabrication using CNC machining, EDM, and polishing to create injection molds.
3. Material Preparation & Injection
Material drying and plasticizing, followed by injection into mold under controlled conditions.
4. Cooling & Ejection
Controlled cooling cycle followed by part ejection, then secondary operations as needed.
5. Quality Control & Shipping
Dimensional inspection, visual checks, and packaging for shipment to customer.
Injection Molding Material
General Purpose Plastics
Common Grades
Key Benefits
Cost-effective, excellent flow properties, easy processing
Injection Molding Surface Finishes
Professional SPI surface finishes and texture options to meet aesthetic and functional requirements for your injection molded parts.
SPI A (High Gloss)
Compatible Materials : high-gloss applications
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SPI Grade
A1, A2, A3
Roughness Ra (μm)
< 0.1
Mirror-like surface with exceptional reflectivity, ideal for optical and decorative applications.
SPI B (Semi-Gloss)
Compatible Materials : general-purpose plastics
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SPI Grade
B1, B2, B3
Roughness Ra (μm)
0.1 - 0.4
Soft satin finish that minimizes fingerprints while maintaining a professional appearance.
SPI C (Fine Matte)
Compatible Materials : matte-finish engineering plastics
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SPI Grade
C1, C2, C3
Roughness Ra (μm)
0.4 - 1.6
Uniform non-glossy surface that effectively hides minor imperfections and mold lines.
SPI D (Coarse Matte/Sandblast)
Compatible Materials : textured/structural parts
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SPI Grade
D1, D2, D3
Roughness Ra (μm)
> 1.6
Textured finish providing enhanced grip and masking of surface defects.
Start Your Injection Molding Project Today
Upload your design files and get a detailed quote and free DFM analysis within 24 hours