MOBIO booth No. : North facility 2nd floor
SUNNY INDUSTRIAL CO.,LTD.
Injection Molding
Insert Molding
Decorating and assembling plastic products
Description of business
SUNNY has been molding, decorating, and assembling housings for wireless communication equipment and other products for many years.
The company can stably manufacture high-quality parts thanks to the various production methods required for the latest products, such as insert molding, thin-wall molding, ultrasonic shield welding, hot stamping, and jig fabrication.

Injection Molding

Ultrasonic shield welding

Injection Molding

Jig fabrication
Products and Technologies
End-to-end services from molding, welding, decorating, assembly to inspection
Manufacturing capabilities utilizing advanced technology and extensive experience cultivated over many years

Molded Product Extraction Jig
●Molding Techniques to Meet Product Trends
SUNNY has a wide range of resin molding machines, from 85 to 180 tons, and comprehensively study and implement measures for injection power, injection speed, resin and mold temperature, spool runner shape, and other factors necessary for the required parts manufacturing.
As a result, the company has been continuously manufacturing resin products for many years for a wide variety of precision wireless communication equipment requiring micron-level precision.

Thick-wall molding (cut model)
●Contributes to smaller and more durable products
In order to meet the lightweight and durability requirements of new portable communication devices and other products, the company has highlighted total control skills in the injection molding process, including control of injection molding speed, pressure, and temperature.
It specializes in thick-wall molding and have achieved partial molding with strength and cosmetic properties of 5.0 mm.

Pad Printing
●Printing technology to meet diverse decorative requirements
SUNNY’s high-quality printing facilities include pad and silk printing to meet a variety of product needs, such as decorative effects and improved visibility.
Focus on stable, high-quality manufacturing
Various jigs and testing equipment developed in-house are utilized

Various Jigs
●Quality control to take advantage of its unique technology
The company's primary focus is on maintaining quality by developing unique equipment and jigs that meet the requirements for molded products and mass-produced items.
SUNNY has installed and utilized those jigs in critical parts of work processes such as molding process, ultrasonic welding process, printing process, and assembly process to prevent quality variation.
Corporate Profile
- Corporate name
- SUNNY INDUSTRIAL CO.,LTD.
- Address
- 4-3-12, Nakaisikiri-cho, Higashi-Osaka city, 579-8014, Japan
- President
- Toshiyo Kotera
- Founded / Established
- 1965 / 1968
- Phone
- +81-72-985-8031
- Fax
- +81-72-985-8033
- Company URL
Japanese (https://sunny-ind.co.jp/)