<https://kienthietviet.com/#organization>
<http://schema.org/openingHours>
"Monday,Tuesday,Wednesday,Thursday,Friday 08:30-17:00"
<https://kienthietviet.com/tieu-chuan-ep-coc-be-tong-ly-tam-dinh-muc-va-nghiem-thu-cong-trinh>