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Copyright © 2023 xi'an chenjie electronic technology co., ltd. All Rights Reserved broadcasting, campus broadcasting system, sound reinforcement system, hand-in-hand system, a manufacturer of technology development, the main products include professional audio, conference room audio, power sequencer, digital audio system, audio and video system, etc. the team has 20 years of professional audio experience. weak current engineeringfilm and television | sound reinforcement systemfilm and television | culture, education and researchpeople | jingfeng videofilm and television | article informationpeople | change skin colorfilm and television | query and inclusionpeople | community convenience store systemshanxi jingfeng video technology co., ltd. (hereinafter referred to as jingfeng video) was founded in taiyuan city, shanxi province in 2009. over the years, the company has developed into a high-tech innovative enterprise integrating audio and video system and data operation and maintenance.