Core Insights - Shanghai Wanwuchain Shangzhixin Technology Co., Ltd. has been established, with a legal representative named Lü Jiezhong [1] - The company's business scope includes sales of IoT devices, IoT application services, software outsourcing services, and retail of computer software, hardware, and auxiliary equipment [1] - The company is jointly held by Xince Standard (300938) and others, indicating a collaborative investment approach [1]