<https://www.theil.com/zh-CN/page/company-proflie.html>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/WebPage>
<https://www.theil.com/zh-CN/award/ESD-ANSIESD-S20.20-2014/award_005.html>