ISO Certifications

To fulfill our goal-"to provide quality that justifies the confidence of our customers"-Sigma Koki has obtained ISO certification at the company sites listed below.

To provide higher-quality products and to fulfill our customer service obligations, we pledge to maintain our dedicated efforts in pursuit of continuing improvement.

Tokyo Head Office (Sumida-ku, Tokyo)
	ISO 9001 (2002.9.10 Certified) ISO 14001 (2003.1.29 Certified)
Hidaka Plant (Hidaka-shi, Saitama)
	ISO9001(2001.2.16 Certified) ISO14001(2003.1.29 Certified)
Osaka Branch (Osaka-shi, Osaka)
	ISO9001 (2003.9.25 Certified) ISO14001 (2003.1.29 Certified)
Noto Plant (Shika-machi, Ishikawa)
	ISO 9001 (2001.3.16 Certified) ISO14001 (2003.7.10 Certified)
Matto Tchenology Center (Hakusan-shi, Ishikawa)
	ISO9001 (2002.10.10 Certified) ISO14001 (2000.7.21 Certified)

Quality Contrl and Environmental Conservation Activities >>

SIGMA KOKI CO.,LTD.
General Affairs Department : 1-19-9 Midori, Sumida-ku, Tokyo
TEL.+81-3-5638-8221 FAX.+81-3-5638-8222 info@sigma-koki.com

ISO Certifications

Tokyo Head Office (Sumida-ku, Tokyo)

Hidaka Plant (Hidaka-shi, Saitama)

Osaka Branch (Osaka-shi, Osaka)

Noto Plant (Shika-machi, Ishikawa)

Matto Tchenology Center (Hakusan-shi, Ishikawa)