About Us

Products & Services
I. Medical Devices & Consumables
Yuh & Jih operates as a medical device injection molding factory, producing high-cleanliness and high-safety medical components under strict process control. With extensive experience in medical-grade material processing and medical device injection molding, we support innovative product development for the long-term care sector.
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Respiratory & Life Support: Precision peripheral components for ventilators and respiratory tubing accessories.
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Diagnostics & Testing: Medical testing kits, various specimen collection cups, and blood glucose lancing devices.
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Medical Consumables: A wide range of medical-grade disposables and clinical consumables.
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Long-term Care (LTC) Solutions: Comprehensive healthcare solutions, including our proprietary Oral Muscle Strength Training & Assessment System.
II. Optoelectronics & Automotive Components
Mastering the keys to miniaturization and stringent optical requirements.
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Smart Imaging Applications: Automotive lens housings, mobile phone lens bases, and high-precision Voice Coil Motor (VCM) components.
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Display & Optical Modules: High-uniformity Light Guide Plates (LGP), backlight modules, and precision plastic frames/housings.
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High-Performance Engineering Plastics: Processing of high-temperature resistant and chemical-resistant materials for industrial applications.
III. Our Value: Trust Through Precision
"Every respiratory component sustains a patient’s breath; every automotive lens housing safeguards a driver’s journey. At Yuh Jih, we don't just manufacture products—we craft achievements."
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Medical-Grade Environment: Rigorous processes that strictly adhere to medical device manufacturing regulations (ISO 13485).
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One-Stop Service: From plastic mold development and mold design to finished product packaging, our integrated workflow helps shorten your time-to-market.
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Customized R&D: Supporting customers in new product development with design evaluation, material selection, and full medical device injection molding feasibility assessment.
Our Core Pillars
1. Superior Quality: A Commitment to Zero-Defect Craftsmanship
In the medical industry, lives are at stake; in optoelectronics, a micron's difference is a world apart. At Yuh Jih, quality is our lifeline. Through rigorous data monitoring and inspection protocols, we ensure every product meets the highest standards of precision.
2. Ultimate Service: Your Strategic R&D Partner
Beyond manufacturing, we support customers from early-stage plastic mold development to mass production, providing responsive communication and flexible production planning.
3. Continuous Improvement: Never-Ending Technological Evolution
By upgrading production equipment, refining molding efficiency, and expanding expertise in advanced materials, Yuh & Jih continues to strengthen its capabilities as a medical device injection molding factory.