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Company Overview

High Quality Turnkey Manufacturing with Integrited Teams and Outstanding Communication

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Founded in 1998, HHY is a Taiwan-based OEM, ODM, and EMS contract manufacturer. HHY specializes in turnkey manufacturing, covering product design, engineering, and scalable production. With vertical integration and a skilled team, HHY supports startups and established companies, ensuring quality and rapid time-to-market.
HHY partners with over 135 countries and regions, delivering trusted solutions worldwide.

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Image Description

Standards stay constant. Delivery stays reliable.

Deadlines change. Specifications evolve. Standards don’t.
HHY Plastics delivers precision plastic injection molding—from prototyping to mass production—with consistent quality and reliable delivery.

Tooling + parameter control:
repeatable injection quality from prototype to mass production.

Quality that repeats doesn’t happen by accident.
With disciplined tooling maintenance and constant monitoring of key process parameters—pressure, temperature, and flow—injection molding stays stable from prototype runs through mass production, reducing variation and keeping every run consistent.

Plastic Molding Injection

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Product Assembling to Packaging

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Turnkey Manufacturing

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Get the Perfect Match

Start your 1-on-1 meetings with Hsin Hung Yih to explore new business opportunities. 

Trusted Certifications for Quality Assurance

ISO 9001 & ISO 13485

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