Investigate the observation of substandard steel linked

The case of the collapse of the State Audit Office building, the only one due to the earthquake, has caused many parties to question whether the cause was the intensity of the earthquake or the construction of this building was not up to standard. An investigation into every dimension is underway. One of the doubts is the steel used to build the building, after finding that some of it did not pass the TIS standard and was steel produced by a Chinese steel factory. สล็อต เว็บตรง