Guangzhou Sumsir Intelligent Technology Co., Ltd.
Address: L11, Room 222, 2nd and 3rd Floor, No.1-11, Tangji Street, Tangdong, Tianhe District, Guangzhou
Phone: +86-15626225264
Email: 292942401@qq.com, hexinren@hotmail.com
Webstie: www.sumsir.com