ABOUT USabout us

To ensure customer satisfaction

Policies to ensure customer satisfaction

Basic Philosophy:

At DIANA, we value our customers and strive to instill trust in all of our customers.

Basic Policies:

We will respond with sincerity to all customer requests and inquiries.

We take all communications seriously and strive to increase the quality of our products and improve our services.

We strive to share the dreams of our customers and stir their emotions through products they can trust. 

7 Sep. 2011

DIANA Co.,Ltd.
Representative Director Ikuo Takahashi

Product workmanship to ensure customer satisfaction

Since our founding, we have continued striving to create safe products that customers can feel reassured wearing. In November 2015, we received the Excellent Award in the 9th Best Contributors to Product Safety Awards hosted by the Japanese Ministry of Economy, Trade and Industry.

Organization to value customer feedback and ensure customer satisfaction


System to ensure customer satisfaction

At DIANA, we have developed a system to ensure customer satisfaction based on ISO 10002 that is the international standard for responding to customer feedback. On February 23, 2012, DIANA Co., Ltd. received ISO 10002 certification. On February 12, 2014, we received ISO 9001 certification to ensure all our customers are satisfied.


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