Tags Hai Phong and Saigon seaports PM issues guidelines on Vinalines' divestment Thursday, Jan 14, 2016 Prime Minister Nguyen Tan Dung has told Vietnam National Shipping Lines to divest entirely from nine seaports and companies and retain 20 per cent in Hai Phong and Saigon seaports. Vinalines to slash stakes in two major ports Tuesday, Sep 22, 2015 The Prime Minister has allowed the Vietnam National Shipping Lines, or Vinalines, to divest its capital from the Hai Phong and Saigon seaports.