PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Our products are mainly made of various materials like ABS, PVC, alloy, steel, iron, brass, zinc and aluminum, even silver & gold for high end series.
http://www.w3.org/ns/prov#wasQuotedFrom
  • alibaba.com