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Contact
PEKIN
Adresse : 28A, Shangdi Information Road, Keshi Plaza, Tower C-07A
District de Haidian, Pékin Chine 100085
Tél : +86 10-62965650
Mail : contact@otec-engineering.com
HONG KONG
Adresse : Flat / RM 19C, Lockhart Center, 301-307 Lockhart Road, Wan Chai, Hongkong
PARIS
Address:
58 Rue de Monceau CS 48756
75008 Paris, France
Mail: contact@otec-engineering.com
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