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Manufacturing and processing contract
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和光精機

addressKanagawa/Tsuzuki-ku, Yokohama-shi/3439 Chiben Town
phone045-931-0008
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last updated:May 09, 2025
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和光精機 List of Products and Services

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Composite product Composite product
BSpin BSpin
Crimp terminal Crimp terminal
case case
【事例】アッセンブリ・組み立て設備の製作費用削減と省スペース化 【事例】アッセンブリ・組み立て設備の製作費用削減と省スペース化
【事例】めっきコスト削減 【事例】めっきコスト削減
Bending parts Bending parts
Connector contacts Connector contacts
Specialty items such as lead frames and automotive-specific connectors. Specialty items such as lead frames and automotive-specific connectors.
Contact parts Contact parts
Shibori processing Shibori processing
Connector contact pin Connector contact pin
Blow pin processing Blow pin processing
Blow

Blow pin processing

We assemble multiple parts, including springs, inside the mold.

Probe pin

[Currently listed in the catalog] Burn-in and final testing, etc.

Our company has obtained the certified qualification "EX Passport" from Panasonic Corporation. The EX Passport is a system awarded to suppliers who have made excellent proposals in ECO and VC activities, contributing to product development for the Panasonic Group among its suppliers. We achieve short delivery times with our technical capabilities, and we are capable of handling high-difficulty processing. Additionally, we have numerous achievements in production that may seem impossible with standard pressing, thanks to our technical expertise. For more details, please download the catalog or contact us.

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Microfabrication of probe pins for semiconductor wafer inspection | High-precision cutting ensures electrical quality.

Addressing concerns about inspection variation and contact failure in electrical testing of IC chips and wafers! Flexible support for mass production and prototypes, including diameters under 1mm and special shapes.

We accept requests for "probe pin processing." We assemble multiple parts, including springs, within the mold. Additionally, we have numerous achievements in producing items that may seem impossible with standard pressing techniques, thanks to our technical expertise. 【Reasons to Choose Wako Seiki Co., Ltd.】 ■ Established a comprehensive in-house production system for press molds ■ Capable of mold production at four locations, including headquarters and mass production factories ■ Reduction of production lead time through load distribution ■ Stable supply of high-quality press products ■ ODM proposals leveraging high mold technical capabilities *For more details, please download our catalog or feel free to contact us.

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Precision machining of probe pins for vehicle-mounted ECUs and sensors.

Probes used for inspecting electronic components for automobiles are manufactured through high-precision cutting processes. This addresses quality issues such as contact failure and inspection variability.

We accept requests for "probe pin processing." We assemble multiple parts, including springs, within the mold. Additionally, we have many achievements in producing items that may seem impossible with conventional pressing techniques, thanks to our technical expertise. 【Reasons to Choose Wako Seiki Co., Ltd.】 ■ Established a comprehensive in-house production system for press molds ■ Mold production is possible at four locations, including the headquarters and mass production factory ■ Shortened production lead times through load distribution ■ Stable supply of high-quality press products ■ ODM proposals leveraging high mold technical capabilities *For more details, please download our catalog or feel free to contact us.

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Connector and substrate inspection probe pin processing | High-precision manufacturing for fine terminals

Custom manufacturing of precision probe pins for inspecting fine electrodes such as FPC and substrate terminals! Eliminating instability in inspection accuracy caused by variations.

We accept requests for "probe pin processing." We assemble multiple parts, including springs, within the mold. Additionally, we have numerous achievements in producing items that may seem impossible with standard pressing techniques, thanks to our technical expertise. 【Reasons to Choose Wako Seiki Co., Ltd.】 ■ Established a comprehensive in-house production system for press molds ■ Capable of mold production at four locations, including headquarters and mass production factories ■ Reduction of production lead time through load distribution ■ Stable supply of high-quality press products ■ ODM proposals leveraging high mold technical capabilities *For more details, please download our catalog or feel free to contact us.

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Best probe pin processing for medical sensor testing | Compatible with fine and special shapes

We provide high-precision processing of probe pins for electrical testing of medical devices and sensor function verification! Supporting from prototype and research development stages to mass production.

We accept requests for "probe pin processing." We assemble multiple parts, including springs, within the mold. Additionally, we have numerous achievements in producing items that may seem impossible with standard pressing techniques, thanks to our technical expertise. 【Reasons to Choose Wako Seiki Co., Ltd.】 ■ Established a comprehensive in-house production system for press molds ■ Capable of mold production at four locations, including headquarters and mass production factories ■ Reduction of production lead time through load distribution ■ Stable supply of high-quality press products ■ ODM proposals leveraging high mold technical capabilities *For more details, please download our catalog or feel free to contact us.

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Probe pin processing for mobile devices | Custom manufacturing available from one prototype.

Custom processing of probe pins used for circuit board and terminal inspection of smartphones and mobile devices, available in short delivery times and small quantities. Customization according to fine shapes and applications is also possible.

We accept requests for "probe pin processing." We assemble multiple parts, including springs, within the mold. Additionally, we have numerous achievements in producing items that may seem impossible with standard pressing techniques, thanks to our technical expertise. 【Reasons to Choose Wako Seiki Co., Ltd.】 ■ Established a comprehensive in-house production system for press molds ■ Capable of mold production at four locations, including headquarters and mass production factories ■ Reduction of production lead time through load distribution ■ Stable supply of high-quality press products ■ ODM proposals leveraging high mold technology *For more details, please download our catalog or feel free to contact us.

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Semiconductor inspection probe pin processing | Flexible response to prototypes, short delivery times, and custom shapes.

We manufacture probe pins for IC package and wafer inspection, accommodating prototypes, small lots, and short delivery times. We can also discuss fine shapes and sudden specification changes.

We accept requests for "probe pin processing." We assemble multiple parts, including springs, within the mold. Additionally, we have numerous achievements in producing items that may seem impossible with conventional pressing techniques, thanks to our technical expertise. 【Reasons to Choose Wako Seiki Co., Ltd.】 ■ Established a comprehensive in-house production system for press molds ■ Capable of mold production at four locations, including headquarters and mass production factories ■ Possible reduction of production lead time through load distribution ■ Stable supply of high-quality press products ■ ODM proposals leveraging high mold technical capabilities *For more details, please download our catalog or feel free to contact us.

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Probe pins for vehicle-mounted sensors and ECUs | Custom processing available for small lots and short delivery times.

Custom probe pins required at the inspection site for automotive electronic components are manufactured to order with high-precision cutting. Quick turnaround for sudden testing or evaluation part arrangements!

We accept requests for "probe pin processing." We assemble multiple parts, including springs, within the mold. Additionally, we have numerous achievements in producing items that may seem impossible with standard pressing techniques, thanks to our technical expertise. 【Reasons to Choose Wako Seiki Co., Ltd.】 ■ Established a comprehensive in-house production system for press molds ■ Capable of mold production at four locations, including headquarters and mass production factories ■ Reduction of production lead time through load distribution ■ Stable supply of high-quality press products ■ ODM proposals leveraging high mold technical capabilities *For more details, please download our catalog or feel free to contact us.

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FPC and PCB Probe Pin Processing | Custom Shapes and Short Lead Time Prototyping Available

Custom processing of probe pins for continuity testing of fine terminals and connectors is available upon request. We have many achievements in prototype and short delivery projects starting from one piece.

We accept requests for "probe pin processing." We assemble multiple parts, including springs, within the mold. Additionally, we have numerous achievements in producing items that may seem impossible with standard pressing techniques, thanks to our technical expertise. 【Reasons to Choose Wako Seiki Co., Ltd.】 ■ Established a comprehensive in-house production system for press molds ■ Capable of mold production at four locations, including headquarters and mass production factories ■ Reduction of production lead times through load distribution ■ Stable supply of high-quality press products ■ ODM proposals leveraging high mold technology *For more details, please download our catalog or feel free to contact us.

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Medical device inspection probe pin processing | Supporting research and development with short delivery times.

We manufacture probe pins for medical sensors and microelectrode testing with flexible custom options. We can provide prototypes in the development stage, accommodate small lot sizes, and supply parts with short lead times!

We accept requests for "probe pin processing." We assemble multiple parts, including springs, within the mold. Additionally, we have many achievements in producing items that may seem impossible with conventional pressing, thanks to our technical expertise. 【Reasons to Choose Wako Seiki Co., Ltd.】 ■ Established an in-house integrated production system for press molds ■ Capable of mold production at four locations, including headquarters and mass production factories ■ Shortened production lead times through load distribution ■ Stable supply of high-quality press products ■ ODM proposals leveraging high mold technical capabilities *For more details, please download our catalog or feel free to contact us.

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