
Precision Single Injection Molding
Delivering high-quality solutions with advanced capabilities and tailored expertise.
CONTACT USMaterial Flexibility & Characteristics

TPR
Offers flexibility and a soft touch, ideal for various applications.

ABS
Combines the advantages of plastic and rubber for superior performance.

PC
Known for its exceptional heat resistance and impact strength.

Drone-Grade Composite Materials
We process carbon fiber reinforced polymers (CFRP), glass fiber reinforced polymers (GFRP), PAHT CF15 (polyamide high-temperature carbon-filled), PLA GF20, and PP GF30 — engineered composites proven in UAV airframe, fuselage, and landing gear structures

PPS (Polyphenylene Sulfide) + GF
High-temperature resistant thermoplastic with superior chemical resistance and dimensional stability. Ideal for IC Carrier & Socket Connectors requiring ultra-tight tolerances.

ULTEM™ (PEI — Polyetherimide)
Amorphous high-performance plastic with outstanding heat resistance (Tg 217°C), inherent flame retardancy, and exceptional mechanical strength. Used in precision IC carriers and socket connectors.

PBT (Polybutylene Terephthalate) + GF
Semi-crystalline engineering plastic with excellent electrical insulation and flow characteristics for thin-wall precision molding. Used in connector housings and socket bodies.
Reinforced Single Injection Molding

CFRP & GFRP for Robot Lightweighting
Utilizing Carbon Fiber (CFRP) and Glass Fiber (GFRP) reinforced composites to manufacture high-rigidity robot structural components. These materials significantly reduce robot body weight, increasing operating speed and energy efficiency while maintaining metal-like strength.

Nylon
Engineered resins for products with superior mechanical properties.

High-Performance Functional Parts
Production of friction-optimized plastic gears and links that offer self-lubricating properties, ideal for maintenance-free robot joints.

CFRP & GFRP for UAV Structural Lightweighting
Utilizing short carbon fiber and chopped fiberglass reinforced injection molding to produce drone fuselage shells, landing gear brackets, and motor mount housings. ABS-based composites injection molded for quadcopter fuselage parts deliver metal-like rigidity at a fraction of the weight.
Applications & Industries
Robotics & Automation
Manufacturing lightweight structural chassis, links, and protective housings for industrial and service robots, shifting from simple appearance parts to load-bearing functional components.
Medical
Meeting the demanding requirements of the medical sector.
Automotive & Mobility
Providing lightweight solutions for autonomous vehicles and mobility robots.
Drone & UAV Manufacturing
Production of lightweight UAV airframe components, protective canopies, propeller guards, and structural housings using fiber-reinforced composite injection molding. Materials include CFRP, GFRP, PET CF15, PAHT CF15, and nylon composites — supporting both commercial and industrial unmanned aerial vehicle programs.
Semiconductor IC Carrier & Socket Connector
Precision molding of high-performance engineering plastic components for IC Carrier, and power module socket connectors used in semiconductor related industries. We replace traditional metal with advanced GF-reinforced engineering plastics (PPS, ULTEM, PBT+GF) for superior dimensional stability, weight reduction, and cost efficiency — with ±0.01 mm tolerance capability on critical contact alignment features.
IC Carrier & Socket Connector — One-Stop Shopping Service
From design to delivery, Yomura provides a fully integrated manufacturing solution for semiconductor IC Carrier & Socket Connector components — eliminating multi-vendor complexity and ensuring consistent quality at every stage.
Our Integrated Process:
01
Joint Design & Engineering (JDM/ODM)
Co-develop socket designs with DFM analysis and material selection consultation.
02
Precision Mold Fabrication
In-house CNC/EDM tooling with EROWA automation for fine-pitch IC socket mold geometries.
03
Metal Contact Stamping & Plating
Stamped copper contacts (CDA 101/102, C1020, C1100) with Ni/Au plating to spec.
04
Precision Single Injection Molding
PPS, ULTEM, PBT+GF, PA66+GF molded at ±0.01 mm tolerances with optimized crystallinity control.
05
Insert Molding & Sub-Assembly
Metal contacts integrated into plastic housings via automated insert molding.
06
Quality Inspection & Global Delivery
100% dimensional inspection, full material traceability, and worldwide logistics support.
Semiconductor-Grade Materials
Semiconductor-Grade Engineering Plastics
| Material | Variant | Key Properties |
|---|---|---|
| PA66+GF | Standard Grade | High strength & stiffness; GF reinforced |
| PBT | Virgin (natural) | Good electrical insulation; thin-wall flow |
| PBT+GF | Black | Enhanced rigidity & heat resistance |
| PBT+GF | Natural (white) | Same mechanical properties; light color option |
| PPS | GF+MD Reinforced (sandblasted) | Superior chemical/thermal resistance; high dimensional accuracy |
| PPS | Standard (sandblasted) | High dimensional accuracy post surface treatment |
| PPS+GF | GF Reinforced Grade | Outstanding creep resistance; UL94 V-0; balanced flow & strength |
| ULTEM (PEI) | Unfilled Grade | Tg 217°C; inherent flame retardancy |
| ULTEM (PEI)+GF | GF Reinforced Grade (black) | High strength at elevated temps |
Continuous Improvement & Innovation
01
Investing in Technologies
Staying at the forefront of innovation with the latest technologies.
02
Material Advancements
Exploring advanced drone composite materials — including carbon/epoxy (T300/934, IM7/8551-7), glass/epoxy (E-glass), and Carbon/PEEK (IM7/APC-2) systems with tensile strengths up to 419 ksi — to push the boundaries of UAV structural performance and lightweight design.
03
Industry-Leading Solutions
Providing cutting-edge solutions for evolving industry needs.

Commitment to Precision & Expertise
1.Understanding Requirements
Comprehensive analysis of customer's unique needs and objectives.
2.Tailored Solution Design
Creating solutions that precisely align with specific project requirements.
3.Continuous Feedback & Improvement
Engagement throughout the entire manufacturing and delivery process.

































