chiyong was established in 2016 and is a factory integrating independent research and development, production and sales. chiyong has been focusing on the fields of professional audio and video connections and multimedia converters. Mrocioa is our own brand, which focuses on high-definition video products. We strictly control the quality of our products; of course, we are happy to communicate with customers and directly feedback problems to our professional design engineers, thus designing products with characteristics from generation to generation. With the continuous development of our business, we insist on providing you with the most cutting-edge and affordable audio and video products.