Shenzhen Casun Technology Co., Ltd. has been committed to the development and manufacture of digital audio products for 17 years since its establishment. All products produced by the company are strictly controlled in accordance with the quality standards of ISO9001:2015, truly strive for excellence, and carefully polish the vitality of the products. The products have passed CE, ROHS, FCC and other certification systems. At the same time, the company has passed BSCI and other relevant social responsibility system certification.