About: http://webisa.webdatacommons.org/375030057

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Since established in 2003, our company has been mainly engaged in the research, development and production of all kinds of portable amplifier systems, conference microphones, and high-grade VHF & UHF wireless microphones.
http://www.w3.org/ns/prov#wasQuotedFrom	alibaba.com