About us

We focus on "Japan and overseas", "regional development", and "a rich life for people". With the goal of designing a society and our lives to be more prosperous together with all of us, we are delighted to devote ourselves to daily design.

​SD Corp. staffs

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Our brand "C & K Charme Karen"


"Asia Golden Star Awards"


Won the product award at.


2020.11.02. ★ Starting a Crowd Funding project for NMN supplement

2020.09.02. ★ Started business alliance with a Vietnamese company (located in Hanoi, the capital)

2020.08.24. ★ Website renewal★

2020.08.24. ★ Taiwan Mango Agreed with Taiwan affiliated company regarding handling of Reiwa 3rd year


2020.07.23. ~ 8.29. ★Expansion of new coronavirus infection Conducted kitchen car business demonstration experiment as a store version of new lifestyle


2020.06.19. ★ The head office has moved ★

2020.06.19. ★ We have started accepting Apple Mango direct shipment from Taiwan (airmail)

2020.06.02. ★Recruitment information update★

2020.05.15. ★Formal order for Taiwan neck hanging type air purifier assembly work

2020.05.02. ★ Trademark "C & K" (Sharm Karen) is registered in Indonesia

2020.05.01. ★The 4th largest Harbin beer spread business in the world started (planned with import agency)

2020.05.01. ★Started selling personalized blood sampling test kit “Demical”

2020.03. ★Website renewal★

2020.03. ★ Portable disinfectant spray type emergency acquisition ★


Online shop



- Designing exchange between Japan and overseas -


Connecting domestic and foreign businesses

Expand your horizons not only in Japan but also overseas, and connect the businesses of Japanese companies with those of overseas companies. Or build a business bridge.

- Design regional development -


Planning and operation of various events

​Various events that can only be done in that area. We want to discover the goodness rooted in the culture and roots of the land and create a place to enjoy it.

- Designing a rich life for people -


Planning and sales of health foods

One piece that supports you happiness.

The piece is sure to be healthy.

We will help you in your happiness continuity plan.

- Other -


All business related to Social Design

I want to make it.

I want to create it.

I want to design it.



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Contact Us

© 2020 SD CO.,LTD.

​SD Corporation, Inc.


Headquarters 44 Shimokawaramachi, Tokamachi City, Niigata Prefecture 948-0004

TEL: 025-757-1956 FAX: 025-757-2186

Tokyo Office 7th floor, Takako Building, 4-15-1 Nihonbashihonmachi, Chuo-ku, Tokyo 103-0023

TEL 03-6276-0870 FAX 03-6300-4410


Taiwan Branch Taipei City Zhongxiao Zhongxiao East Road 4F 2nd Section No. 8 Lou 2
TEL: +886-2-5578-4227



Established November 17, 2008