Prolight + Sound Guangzhou 2019 To Boast International Brands, Buyers And Businesses News by Thomas Richard - February 20, 2019 This Sunday (24th February 2019), China’s first professional lighting and audio industry fair of the year, Prolight + Sound Guangzhou (PLSG), will gather 1,353 exhibitors and trade visitors from around the world, across 4 days of business. The upcoming show will offer unparalleled sourcing and networking opportunities in education, information and