<http://webisa.webdatacommons.org/prov/482113444>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/284362612> .
<http://webisa.webdatacommons.org/284362612>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/53216160>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/284362612> .
<http://webisa.webdatacommons.org/284362612>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<wireandtubenews.com> .
<http://webisa.webdatacommons.org/284362612>	<http://www.w3.org/ns/prov#value>	"Straight seam high frequency welded steel pipe technology is relatively simple, rapid continuous production characteristics of a wide range of applications in civil construction, petrochemical, light industry and other sectors." .