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Contact us
OSB Investment and Technology JSC (OSB JSC) 
Address: Room 305, Detech Building - No 8, Ton That Thuyet Str, My Dinh, Hanoi, Vietnam. 

Tel: 84-4-36404069 
Fax: 84-4-36403669 

Website: http://www.osbholding.com
Email: contact@osbholding.com