competitive tendering acting /điện lạnh/
sự đấu thầu
bid invitation, competitive tendering acting, offer, proposal, tender, to tender invitation
sự đấu thầu
bid invitation, competitive tendering acting, offer, proposal, tender, to tender invitation
sự đấu thầu công khai
bid invitation, competitive tendering acting, offer, proposal, tender, to tender invitation
sự đấu thầu hạn chế