PREVENTIVE MAINTENANCE - PRIMARY ROADS - MANILA NORTH RD - K0235+000-K0235+623, K0236+070-K0237+000, K0238+000-K0239+097, K0239+118-K0239+565, K0241+180-K0241+374
Region I
Region I
PHILIPPINE CHEMSTEEL INDUSTRIES, INC. (16965)