In 1997 March, the young Mr Liang Guowei with a love of the audio industry, first set foot on China Shandong, Ji'nan "Spring City", began selling, wired, wireless microphone, for the first time in Ji'nan venture, feel the wireless microphone after the development potential is very big, so, with boundless enthusiasm back to 2005 the industrial base China microphone industry (Enping), registered trademarks, Iran SA (E3) began to market sales at home and abroad. With the increasing demand of the market, the scale of production and sales network, our company continues to expand, with the pressure of market competition, in order to better serve our customers, our company and the introduction of foreign advanced technology, and the successful launch of a new generation of products ER-3000, KR-777 high quality wireless microphone, due to excellent quality, novel style, soon in the professional audio industry popular, popular throughout China.
Yi SA, clinging to every product refine on allow users to truly trust. Next, we led Iraq SA (E3) towards the success of the brand development, continuous innovation, and truly become the "create value, achieve win-win situation" to create a new national independent audio brand