Speaking on condition of anonymity, the source said the agreement between the city Management Authority for Urban Railways (MAUR) and the contractors, Civil Engineering Construction Corporation No. 6 (Cienco 6) and Japan's Sumitomo Corporation, requires them to use a certain quality of elastomeric laminated bearings pads, which are reinforced steel plates sandwiched between layers of rubber. … [Read more...] about Steel used in HCMC metro beam support falls short of contracted quality: source
