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For Corporate Customers

For Corporate Customers

We have received inquiries regarding transactions for CTSHLIGHT products.

For home builders, architectural firms, design firms, and retailersWe accept inquiries regarding project specifications, wholesale transactions, product specifications, drawings, lead times, custom orders, and more.

Contact Us Here


We will contact you regarding the terms of the transaction within 1–2 business days.
※ Business days are Monday through Friday. We are closed on weekends and holidays.
※ If you do not receive a reply, please call us.
 Business hours are 9:00 a.m. to 5:00 p.m.
 Our representative is unavailable from 12:00 p.m. to 1:00 p.m. Please leave a message, and we will call you back.



● Contact Information
Email: info@ctsh.jp
TEL: 0572-26-7380
FAX: 0572-26-7208
Representative: Nakajima