We, Shenzhen Saitu Digital Technology Co., Ltd. - one of the biggest world famed professional audio system manufacturer based in Shenzhen, China (next to Hong Kong). Now we are equipped with a strong forces fo more than 600 rich experienced engineers & high skilled workers, all of these assets have ensured not only the rapid development of unique and undated styles but also a powerful production capacity for top-quality audio system products. The most important is its long established expertise of creative designing & effective management, by which your timely delivery and perfect quality get guarteed.