ローヤル産業
新着情報

2024.5.8 Event information

We will be exhibiting at the Chugoku/Shikoku Auto Sound Festival.
Date/time: May 19 (Sun.), from 9:00 am
Location: Omishima Shimanami Expressway, Roadside Station (Tatara Shimanami Park, west side parking lot)
We hope you will visit our company’s booth

2023.12.13

Information on holidays and operations during the winter is given below.

Due to the winter holidays, we will not be responding to inquiries or making shipments during the following period.
We kindly ask for your understanding.

■Winter vacation period■
December 29 (Fri.), 2023 to Jan. 3 (Wed.), 2024

■Response to inquiries■
We will respond to inquiries received during the vacation period starting from Jan. 4 (Thu.), 2024.

It may take some time to respond, so we ask for your understanding.

2023.8.9

Information on holidays and operations during the summer is given below.

Due to the summer holidays, we will not be responding to inquiries or making shipments during the following period.
We kindly ask for your understanding.

■Summer vacation period■
Aug. 11 (Fri.) to 15 (Tue.), 2023

■Response to inquiries■
We will respond to inquiries received during the vacation period starting from Aug. 16 (Wed.), 2023.

It may take some time to respond, so we ask for your understanding.

2023.5.8 Event information

We will be exhibiting at the Chugoku/Shikoku Auto Sound Festival.
Date/time: May 28 (Sun.), from 9:00 am
Location: Omishima Shimanami Expressway, Roadside Station (Tatara Shimanami Park, west side parking lot)
We hope you will visit our company’s booth

2023.3.8 Event information

On April 1 and 2, we will be exhibiting at “New Style Meeting — Sound Park in Sakaihama!!” and “Maido Osaka — Spring Mini Car Audio Festival” held at the Umi to no Fureai Hiroba in Sakai City, Osaka Prefecture.

2022.3.23 Event information

On April 2 and 3, we will be exhibiting at “New Style Meeting — Sound Park in Sakaihama!!” and “Maido Osaka — Spring Mini Car Audio Festival” held at the Umi to no Fureai Hiroba in Sakai City, Osaka Prefecture.

2022.12.7

Information on holidays and operations during the winter is given below.

Due to the winter holidays, we will not be responding to inquiries or making shipments during the following period.
We kindly ask for your understanding.

■Winter vacation period■
December 29 (Thu.), 2022 to Jan. 3 (Tue.), 2023

■Response to inquiries■
We will respond to inquiries received during the vacation period starting from Jan. 4 (Wed.), 2023.

It may take some time to respond, so we ask for your understanding.

2022.10.25 Event information

Maido Osaka!! We will be exhibiting at the Fall Car Audio Festival.

Date/time: Nov. 6 (Sun.)

Place: ATC Piloti Plaza, Nanko, Osaka

We hope you will visit our company’s booth.

2022.8.25 Event information

We will be exhibiting at the High-end Car Audio Contest.
Dates: Sept. 24 (Sat.) to 25 (Sun.)
Venue: Tsumagoi Resort Sai no Sato (Kakegawa City)
We hope you will visit our company’s booth.

2022.7.19

Information on holidays and operations during the summer is given below.

Due to the summer holidays, we will not be responding to inquiries or making shipments during the following period.
We kindly ask for your understanding.

■Summer vacation period■
Aug. 11 (Thu.) to 15 (Mon.), 2022

■Response to inquiries■
We will respond to inquiries received during the vacation period starting from Aug. 16 (Tue.), 2022.

It may take some time to respond, so we ask for your understanding.

We respond to a full range of speaker-related needs.

Since our founding in 1962, we at Royal Sangyo Co., Ltd. have been totally committed to manufacturing excellence, while focusing on the development and manufacturing of high-quality, high-performance speakers.
We do contracting using our integrated in-house fabrication system, covering everything from development and design to manufacturing and production, and respond to a full range of customer needs in the field of speaker manufacturing.
We will create new value through our unparalleled technical capabilities and imagination, and offer products that truly impress customers.

We offer quick and flexible response through our integrated in-house fabrication process and state-of-the-art technology.

First, please consult with us. We can develop a diverse range of speakers—from large speakers for theaters to ultra-miniature speakers for smartphones.
Our professionals carry out development to suit customer requirements by exploiting their deep knowledge of speaker structure. We design speakers of the highest quality based on our extensive track record.
To ensure the customer is impressed, we carry out prototyping with repeated testing so sound can be played with the highest quality.
We manufacture diagrams suited to various metals. In areas like die forming too, each piece is carefully finished by an artisan to support difficult specifications with high processing precision.
We perform unit assembly and production under a system of strict quality control. We can also handle mass production.
To ensure customer satisfaction, we make various adjustments at the time of delivery. If you have any problems, even after delivery, feel free to consult with us.
royal
Royal Sangyo Co., Ltd.

Head Office Factory: 〒336-0932  Nakao 945-2, Midori-ku, Saitama-shi, Saitama, Japan
TEL:+81-48-810-1313
Kofu Development Center: 〒400-0112  Natori 298-4, Kai-shi, Yamanashi, Japan
TEL:+81-55-236-9393
Business description
Development, design, and manufacturing of speaker units
<Speaker-related parts>
Aluminum/Titanium cap manufacturing, aluminum/titanium diaphragm manufacturing, voice coil assembly
<Units>
Car speakers, audio speakers, TV speakers

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