by Tianjin Xiaowu Information technology co., Ltd.
by CITIC Securities YX Intelligent IoT Technology of Shengzhen Municipality Co.,Ltd
by Guangdong Kexi Keli Smart City Technology Co., Ltd.
by Shanghai Xiangwang Information Technology Co., Ltd
by Hangzhou Wuhuan Technology Co. Ltd.
by Shupu Technology Shenzhen Co., Ltd.
