Guangzhou JSL professional audio co.,ltd.usually known as Guangzhou wanchang sound .,ltd.producing mainly professional loudspeakers,amplifiers and mixers.it focuse on applying the professional audio technology nearly 10 years,its products apply to gymnasium ,night club,ktv,large performance concourse etc.The area of JSL is 10000 square meters and equips the standard speaker workshops,carpentry workshops,paiting shops and electronic workshops.come to JSL,get the right audio you need.