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Contact

BEIJING

Address:

28A, Shangdi Information Road,Keshi Plaza, Tower C-07A
Haidian District, Beijing China 100085

 

Tel: +86 10-62965650

Mail: contact@otec-engineering.com

HONG KONG

Address:

Level 54 Hopewell Center,

183 Queen's Road East

Wan Chai, Hong Kong

Paris

Address:

58 Rue de Monceau CS 48756

75008, Paris

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Mail: contact@otec-engineering.com

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