SAMJOO Electronics Co,. Ltd. is a manufacturer and exporter in Korea, specialized in Power Megaphone, waist amplifier, LOUDSPEAKER(Horn speaker, Column speaker, Ceiling speaker, Wall speakers, driver Unit), PA amplifier & Microphone. After since foundation of 1998, We have been supplying our products with our customers all over the world under our own brand "JEC" or customer's brand. "We make the best products based on our world level technologies." We provide our customers with the highest quality products and service. Best quality, production costs, delivery periods for customer satisfaction. Continues improvement of productivity. Establishing performing and maintaining a quality management system.