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Technology

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ISO 9001

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ISO 14001

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ISO 45001

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ISO 9001 (ENG)

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ISO 14001 (ENG)

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ISO 45001 (ENG)

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Certificate of Patent

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Design Registration (Smartphone Case)

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Design Registration (Pin for attrition of content carrying tube)

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Design Registration (LED Bulb Socket Case)

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Recognition of Dedicated Research and Development Department

Cheng Song M&I Co. Ltd.

16 Namdongseo-ro 362beon-gil, Namdong-gu, Incheon, 21629   l  CEO: Jae Ho Sim   l   FAX: 82-32-812-4644 

EMAIL: mail@chengsong.co.kr  l   Copyright © 2002 CHENGSONG. ALL RIGHTS RESERVED

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