913413001523400049 - Design, installation, modification, maintenance and repair of special equipment (pressure pipe, lifting mechanics), design and construction of explosive works, contract for overseas projects and domestic subcontract of international project, the equipment and material export needed by the above-mentioned projects, deployment of manpower to the above overseas projects, special-class turnkey contract of mining project, turnkey contract of housing construction project, municipal project, mechanical and electrical installation, roadway, railway project, professional construction contractor for foundation and road base, tunnel, urban railway system, bridge, foundation of roadway, earth works, installation of lifting equipment, steel structure, special construction works (special shaft sinking, drilling, freezing construction, freezing installation), processing of non-standard component, lease of real estate and equipment, sales of building materials, steel, machinery, equipment, spare parts - Thông tin nhà thầu