Tender For A Contract For Construction Work Activities To Raise Standards For Preventing Hazards Along The Highway Highway No. 1016, Control Section 0200, Kew Phrao - Chiang Saen Section, Between Km. 13+810 - Km. 30+000 (Partially), Work Volume 1,998 M. By Electronic Bidding Method (E-Bidding)(Project Number:66037399430) (EXPIRED)