Maruwa Co., Ltd.
In addition to assembly of molded parts and metal/plastic processing, Maruwa also manufactures flexible PCBs. Below is an overview of their specifications, key features, and service capabilities.
Customer Support at Maruwa
Key Features of Flexible PCBs
Source: Maruwa Manufacturing Co., Ltd. Official Website
(https://www.maruwa-ss.co.jp/productsindex2034.html)
Full in-house production
Maruwa handles all production internally at its own facilities . This applies not just to FPCs, but to all their products. Their in-house approach enables them to support everything from one-off prototypes to full-scale mass production, ensuring flexibility and speed in meeting client needs.
Material Selection Support
Maruwa assists clients in selecting the best materials—including base materials, cover layers, stiffeners, and surface finishes. With deep knowledge of material manufacturers, they make informed recommendations. Materials they handle include polyimide, liquid crystal polymer, polyester, solder resist, and glass epoxy, among others.
New BVH Process
This is a non-adhesive double-layer single-sided process. After laser drilling, copper plating is applied directly, avoiding the drawbacks of CCL-based foil, such as poor copper characteristics, limited copper thickness density, and hardening issues.
Maruwa FPC Specifications
| Number of Layers |
1 or 2 |
| Minimum Pitch |
100 µm |
| Base Materials |
Polyimide, liquid crystal polymer, polyester, glass epoxy, solder resist, etc.s |
Minimum Finished Hole
Diameter |
Not listed on the official website |
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Customer Support at Maruwa
Multiple Contact Methods
Inquiries are accepted via email, phone, or fax. All orders and requests are handled in-house—never through intermediaries—thanks to their own production facilities. This ensures consistent communication and full control over production.
FPC Quality at Maruwa
ISO Certified
Maruwa holds both ISO9001 (Quality Management) and ISO14001 (Environmental Management) certifications—not only at its headquarters in Japan but also at its facilities in Malaysia and Indonesia. This underscores their commitment to international standards.
Learn how to select flexible substrates for different
applications
Maruwa's Track Record
No detailed information is available on their official website regarding quality control systems.
Why Choose Maruwa?
A Manufacturer That Adapts to Diverse Needs
With its own manufacturing facilities, Maruwa is equipped to respond swiftly to various customer needs. Their deep commitment to technical excellence drives them to go beyond just production—to pursue constant improvement in their flexible PCB offerings.
Company Information – Maruwa Co., Ltd.
| Address |
8-1 Otomushi Iwai, Sambongi, Osaki City, Miyagi Prefecture, Japan |
| Business Hours |
Not listed on the official website |
| Phone (Japan domestic only) |
0229-52-2055 |
| Official Website |
https://www.maruwa-ss.co.jp/ |
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