123456 or 888888. According to the official information of Yuelang Education Technology Co., Ltd., it is known that the initial management password controlled by the representative of Yuelang class is 123456 or 888888. Yuelang Education Technology Co., Ltd. has a mature educational ecology and is a leading intelligent learning equipment and quality education information service provider in China. Reading Lang Education Technology focuses on the research and development of educational intelligent hardware products, including student tablets, learning watches, smart scanning pens, smart operation lights, and smart classroom solutions.