Jinan Yesung audio equipment firm perennial recovery stage sound: Bar audio equipment; KTV audio equipment; DJ hall sound equipment; conference room audio equipment; theater audio equipment; studio audio equipment, audio equipment, hotels, restaurants hall; and other types of professional stage Audio equipment and facilities. Professional audio. Large and small KTV ballroom all equipment and all kinds of warehouse backlog of material! 2, appliance recycling: Recycling local central air conditioning, home air conditioning, professional audio, unused personal supplies. 3, the electronic products: computers, LCD monitors, projectors.