Kunshan Changhe A/V Equipment Co.Ltd. located in the Yangtze River Delta economic zone, we are a senior enterprise of audio-visual equipments design, manufacture and sale. By constant innovation, we designed large quantity of high quality products to meet times and market demands, these are benefit from the unique industry advantages, logistics advantages and multiple quality resources, and we got more distinguished reputations from both inside and outside, our products are sold throughout the nationwide and overseas.