The steel used in the construction of the collapsed State Audit Office building in Chatuchak came from Sin Ker Yuan, a company which was charged in January for producing substandard steel.
Previous investigation by the Ministry of Industry revealed that the rebar produced by the company, located in Ban Khai District, Rayong, did not meet required standards, particularly affecting its strength. The ministry seized 2,441 tons of non-compliant steel, valued at approximately 49.2 million baht, and announced plans to take legal action against the company in January
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