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THY Hong Yang Precision Industry Co., Ltd.

Lugang, Chang-hua


THY Precision Micro Injection Molding

Medical / Optics / Electronics / Automotive / Customized

Hong Yang Precision Industry Co., Ltd. (THY Precision) specializes in all aspects of plastic injection micro molding, automated manufacturing and automation assembly solution. Every stage of our vertically integrated process is overseen by the experienced principle partners of the company. Significant investment in top-notch facilities, enables us to offer top quality micro molds and state-of-the-art manufacturing services to a broad range of industries including Medical Molding Components, Optics Micro Molding, Electronics High Precision Micro Molding, Precision Automotive and other Customized Micro-Components.


THY Precision dedicated to providing professional OEM injection molding services to our business partners worldwide. Our goal is to become your strong, reliable and long-term partner by providing high precision injection molding, manufacturing process, assembly and packaging services. You are very welcome to contact us by email, or to visit us in Taiwan.


THY Precision Micro Molding Service

1. Micro medical components

2. Micro optical components

3. Micro electronics precision parts

4. Precision automotive components

5. Customized micro components


THY Precision Capabilities

1. In house micro precision tooling and assembly capabilities​

2. Tolerance ±0.001mm (1 micron)

3. 24/7 producing operation

4. Automatic Robot Arms Production​

5. ISO 9001 and ISO 13485 Certificates

6. lSO 8 (Class 100K) Cleanroom & ISO 7 (Class 10K) assemble line

7. Provide OEM & ODM micro molding solutions for global customers


Fully Integrated Production

THY Precision uses an All-In-One production line including micro mold tooling, manufacturing, automation, secondary process, assembly and packaging. We are able to arrange assembly and packaging for any products we mold. We can assemble your injection molded parts into semi-finished parts or finished products. We will handle all logistics for shipping our customers' orders to any destination. Contact THY Precision to request a quote for custom micro injection molding services.

THY Precision Introduction Video: 

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THY Hong Yang Precision Industry Co., Ltd.,

ATTN: Ms. Sharon Kao,,


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