For inquiries
We are manufacturing, selling and exporting plastic products.
We are also importing and selling products handled by our group companies in Japan.
Please visit the website of Ryoka Sangyo for the products imported and sold.
Please feel free to contact us by phone or fax for inquiries and price quotation for the products we manufacture and sell.
Inquiries by phone (09:00～17:00 on week days)
03-8925-6820
Inquiries by Fax
03-8925-6823
Group companies
Plastic for industrial use, Manufacturing and sales of material
Manufacturing and sales of plastic injection molding products
Sales of air conditioner, design, installation and maintenance of air conditioning facilities.
Manufacturing and sales of various automation control devices.
