HISTORY OF KOUGEN SANGYO
Chemical synthesis and manufacturing business (OEM) since 1994
1994
Nanjing Hakko Chemical Co., Ltd. was established
2000
This marked the beginning of the production of our sulfur phosgene series products. During the manufacturing process, carbon disulfide was used and Japanese technicians were stationed in our factories at all times. At the time, 100% of our products were sold in Japan.

2001
Passed the audit of the American pharmaceutical company "P"
2004
Was renamed Nanjing Hakko Pharmaceutical Technology Co., Ltd

Since 2015, we have begun sales in the Chinese domestic market , while improving the level of research and development
2016
Under the supervision of the pharmaceutical company "J", we started to co-develop new drugs and develop liquid crystal-related products
2017
A joint venture was established with Shaanxi Hengsheng (as an attempt to find a new commissioned manufacturer)
Securing a Japanese subsidiary and a new production base from 2018, aiming to achieve new development goals
2018
Nanjing Hakko stopped production and the shares were transferred.
Kougen Sangyo Co., Ltd. established (Chuo-ku, Tokyo)
Kougen Sangyo Co., Ltd. established (Chuo-ku, Tokyo)

2019
The commissioned OEM production business with Shaanxi Hengsheng began
Xingyuan (Inner Mongolia) Advanced Material Technology Co.,Ltd. was established (registered capital of 2.6 billion yen)
Xingyuan (Inner Mongolia) Advanced Material Technology Co.,Ltd. was established (registered capital of 2.6 billion yen)
2020
Kougen Sangyo Co., Ltd. increased its capital to 98 million yen
2021
Xingyuan (Inner Mongolia) Advanced Material Technology Co.,Ltd. was put into production

Contact US
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Inquiries from the webTo the Form24-Hour Reception
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Inquiries by phone03-6206-23589:00 AM – 5:00 PM
(Closed on weekends and public holidays)