Tags knauf vietnam Knauf Vietnam signs co-operation agreement with Zinca Vietnam Sunday, Mar 13, 2016 Knauf Vietnam has signed a strategic co-operation agreement with Zinca Vietnam Joint Stock Company at a ceremony held in Ha Noi on Saturday. Viet Nam attracts $1.34b from German investors Saturday, Sep 20, 2014 As of August 31, Germany has pumped US$1.34 billion into 236 projects in Viet Nam, the Ministry of Planning and Investment''s Foreign Investment Agency has reported.