Trading Company Specialized in Electronics and the Leading Manufacturer of Heat Sink - Ryosan Company Ltd.
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ISO9001
We have acquired a certification for ISO 9001 for our Production Headquarter as of April 1, 2005. ISO 9001 defines the international standards for quality management system.
 
1.  Registered Company
Ryosan Company Limited   Production Headquarter
 
2.  Head Office
2-3-5 Higashi Kanda Chiyoda-ku Tokyo
 
3.  Certification
ISO 9001: 2008/ JIS Q 9001: 2008
 
4.  Certification Date
April 1, 2005
 
5.  Registration Number
491686 QM08
   
6.  Registered Business Activities
    To design, development and manufacture of the heat sinks for electronic components and electronic equipment.
   
7.  Affiliates/
Plant Location
    [Range of Activities:Same as the above]
Gyoda Plant: 1-12-13 Fujimi-cho Gyoda City Saitama
Uenohara Plant: 8154-25 Uenohara, Uenohara City Yamanashi
West Japan Heat Sink Sales Section: 7-1-5 Nishinakajima, Yodogawa-ku, Osaka-shi, Osaka
 
8.  Certifying body
UL DQS Japan Inc.
ISO Certificate ISO Attachment
PDFISO Certificate (322KB)
PDFISO Attachment (295KB)
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Business and Products
Semiconductor Business
Electronic Components Business
Electronic Equipment Business
Products Business
 
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