Company Introduction
Empowering Global Innovation with World-Class Engineering and Cost-Efficient Manufacturing Solutions.
Established in 1987, Dahorn is a OEM/ODM manufacturer specializing in fully integrated, one-stop technical solutions. Our comprehensive capabilities encompass mold tooling mechanism design, precision mold fabrication, mass production injection molding, secondary post-processing, precision mechanical machining, and final assembly testing. Guided by our core philosophy—"Reasonable Pricing, Exceptional Quality, Dependable Supply, and Prompt Service"—we combine over 30 years of manufacturing expertise with advanced 3D CAE mold flow analysis, automated precision servo injection molding systems, and high-accuracy metrology inspections.
Basic Information
- Company Name: Dahorn Refining Co., Ltd.
- Established: 1987
- Core Business Competencies (Registered Scope):
- CQ01010 Precision Mold Design & Manufacturing Industry
- C805030 Plastic Daily Goods & Consumer Ware Manufacturing Industry
- C805050 Industrial Technical Plastic Products Manufacturing Industry
- C805070 Reinforced & High-Performance Plastic Products Manufacturing Industry
- C805990 Other Specialized Plastic Products Manufacturing Industry
- CD01030 Automotive Components & Systems Manufacturing Industry
- Website： https://www.dahorn.com.tw https://www.injection-mold-dahorn.com
- Mold & Production Capabilities & Specifications:
- Mass Production Mold Weight: 30 kg – 1,500 kg
- Injection Molding Capacity: 30 tons – 250 tons
- Production Output: 24/7 continuous operation (3-shift system)
- Material Expertise (Thermoplastics):
- Super Engineering Plastics: PEI, PEEK, PES, PSU, PPSU, PPS, PPO and more
- Engineering & Commodity Plastics: POM, PA12, PA66, PA6, PBT, ABS, PC, PP and more
- Molding Dimensions & Precision:
- Maximum Product Size: 300 mm × 300 mm × 300 mm
- Minimum Product Size: 3 mm × 3 mm × 3 mm
- Ultra-Thin Wall Thickness: 0.2 mm – 0.3 mm
- Precision Molding Tolerance: ±0.01 mm – ±0.02 mm
International Quality Certification ISO 9001:2015
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Services
Starting as a precision injection molding manufacturer, our elite team provides comprehensive one-stop solutions for technical development, precision machining, and mass production manufacturing integration services. We save you the labor, material, and financial resources required to find suppliers at each stage, integrate process procedures, manage quality inspections, coordinate supply chain delivery schedules, and customize packaging. We also offer a full range of disassembly or customized service options.
1. Collaborative DFM 3D Plastic Development, Advanced Tooling & Predictive Moldflow Analysis
Whether you provide raw 2D/3D sketches or functional prototypes, our development team offers comprehensive technical consulting services and engineering team acts as your dedicated DFM (Design for Manufacturability) partner. Utilizing predictive Moldflow analysis, we identify and resolve potential manufacturing bottlenecks—such as warpage, shrinkage, and weld lines—before steel is cut. Combined with our high-precision in-house fixture development, we accelerate your NPI (New Product Introduction) cycles. We have a proven track record of helping R&D teams bypass technical bottlenecks and secure patents.Over the years, we have assisted numerous clients improving their products, achieving multiple patent certifications.
2. Compliant Material Sourcing, Rapid Prototyping & Custom Color Matching
Regardless of your familiarity with product materials, our development and mass production team has extensive and comprehensive experience in the mass production of thermoplastic plastics. We offer deep expertise in thermoplastic supply chain management to streamline your procurement process. We specialize in the high-quality, cost-optimized mass production of both commodity and High-Performance Engineering Plastics. By strictly controlling our raw material sources, we guarantee 100% traceability and deliver standard compliance certificates (RoHS, UL, SGS, NSF, REACH). We mitigate regulatory risks early on, saving you time and protecting your global market access.
Materials Used for In-House Plastic Injection Molding Products: 
Material Expertise (Ultem® Series):
- Ultem® 1000 / 1010(Standard & High-Flow Unfilled)
- Ultem® 2100 / 2200 / 2300(10%, 20%, and 30% Glass Fiber Reinforced)
Proven Manufacturing Capability:
With an annual production volume exceeding one million units, we are a leading manufacturer of high-precision Ultem® optical components, including:
- Housings(Optical & Electronic)
- Barrels(Lens Barrels)
- Objectives(Optical Mounts & Structures)
Quality & Compliance:
Our products and manufacturing processes have successfully passed rigorous EU Defense & Military Standards testing, ensuring exceptional reliability under extreme environments.
Material Certifications
By strictly controlling our raw material sources, we guarantee 100% traceability and deliver standard compliance certificates (RoHS, UL, SGS, NSF, REACH). We mitigate regulatory risks early on, saving you time and protecting your global market access.
3. Standardized Risk-Free Color Sourcing & Cost-Optimized Formulation
We minimize cross-border supply chain communication errors by fully aligning with RAL and PANTONE® color systems. To match your financial targets, we provide a versatile portfolio including masterbatch, dry color powder, and pre-colored compounding. Our rigorous quality control eliminates batch-to-batch variance, reducing your total cost of ownership (TCO) and significantly accelerating your time-to-market.
4. Engineering-Led Tooling Fabrication & Vertically Integrated Tooling Manufacturing
Our in-house toolroom is equipped with full-cycle machining technologies, including high-speed CNC, precision lathes, WEDM, and EDM, to satisfy complex engineering specifications. Our dedicated tooling engineers collaborate directly with your R&D team to manage critical tolerances and eliminate design deviations. This vertical integration protects you from the hidden costs, unauthorized outsourcing, and low-ball pricing traps common among brokers. Led by accountable project engineers, we offer transparent tooling estimates and long-lifecycle performance guarantees, ensuring cost predictability and a highly resilient mass production supply chain. Keeping manufacturing in-house accelerates Engineering Change Notices (ECN) and guarantees that your sophisticated functional mechanisms move from blueprint to reality without compromised fidelity.
5. Advanced Mechanism Tooling & Optical-Grade Cavity Engineering
High-Difficulty Complex Tooling Turnkey & Specialized Component Sourcing
We provide robust tooling solutions to resolve complex undercuts and internal demolding challenges for R&D engineers. Our portfolio extends beyond standard molds to automatic unscrewing systems, complex side-action core pulls, high-precision industrial gears and tight-tolerance optical components. Paired with our in-house custom inspection gauges, we strictly adhere to your rigorous Geometric Dimensioning and Tolerancing (GD&T) specifications.
6. High-OTD Delivery Risk Mitigation, Turnkey Scheduling & Multi-Process Workflow Management
We protect your supply chain timeline through rigorous ERP capacity optimization and SFT-driven shop floor tracking. We specialize in managing complex lead times for multi-process orders involving injection molding, precise post-processing, and box-build assembly under one roof. By eliminating multi-vendor fragmentation, we maximize your On-Time Delivery (OTD) rate and stabilize supply continuity, providing predictable logistics and lower total procurement overhead.
7. Fully Automated Precision Injection Molding & High-Repeatability Process Control
Our facility operates a 24/7 automated smart shop floor equipped with top-tier Japanese and Taiwanese all-electric and hybrid servo injection molding machines. Integrated with multi-axis robotic arms and centralized vacuum desiccant dehumidifiers, our ecosystem ensures absolute moisture control and optimal melt consistency. Utilizing high-precision closed-loop parameter monitoring, we minimize process variance to achieve flawless replication, flexibly accommodating both high-mix, low-volume (HMLV) pilot runs and high-volume mass production.From flexible, low-MOQ rapid sampling to high-volume commercial production runs, we provide highly competitive pricing and highly stable supply continuity to de-risk your procurement strategy.
8. Precision Plastic Post-Machining, Multi-Process Integration & Smart Torque Assembly
We complement our high-yield injection molding with advanced post-machining capabilities to resolve complex geometric limitations. Our facility provides in-house precision milling, lathing, drilling, and automated tapping. We specialize in high-accuracy thermal insertion, and mating-part box-build alignment. By vertically integrating these processes, we guarantee strict geometric tolerances and standardized mechanical performance across all production lots.
9. Advanced Surface Finishing Integration, Tier-2 Ecosystem Synergy & Multi-Process Module Assembly
We reduce your supply chain complexity by acting as your single point of contact for all secondary cosmetic processes, including electroplating, printing, laser etching, and pad printing. Our procurement team enforces strict quality and compliance audits across our verified vendor network, consolidating multiple billing streams into one turnkey solution. This eliminates cross-factory transit risks and cross-vendor liability disputes, delivering optimal Total Cost of Ownership (TCO).
10. Compliant Global Packaging, Turnkey Cross-Border Logistics & Global Customs Clearance
We de-risk your international fulfillment through end-to-end maritime, air, and overland logistics management. We specialize in designing export-compliant packaging systems—including ISPM-15 certified pallets, specialized thermoformed trays, heavy-duty bundling, and branded retail boxes—tailored to minimize transit defects. By managing freight forwarding, customs brokerage, and buffer stock warehousing under one roof, we eliminate cross-border bottlenecks and optimize your total landed cost.
Product Application Horizons: Cross-Industry Vendor Consolidation & Certified Manufacturing
OEM/ODM Manufacturing of Injection Mold / Plastic Parts Mass production
With over three decades of premium manufacturing depth, we serves as a low-risk, high-efficiency OEM/ODM partner across multiple rigorous global markets, including:
- 3C & Consumer Hardware: Precision Electronic Housing, Structural Internal Frames, and Camera Sub-assemblies.
- Optics & Medical Devices: High-Compliance Optical/Telecom Components, Fiber Optic Connectors, and Sanitization-Resistant Endoscopic Device Enclosures.
- Smart Automation & Industrial Machining: Material Handling System Components, Autonomous Vehicle Parts, Machine Tool Frameworks, and Commercial Printer Components.
- Automotive, HVAC & Fluidics: Automotive Assemblies, Thermal Management Control Valves, Pressure-Balanced Cartridges, Coil Bobbins, and Premium Water-Material Plumbing Components.<br data-sfc-root="c" d