Brand: Sejoy Electronics & Instruments Co. Ltd., Building 2, 202 Zhenzhong Road, West Lake Economy & Technology Zone, Hangzhou 310030, CHINA.
OEM: Zhejiang Joytech Healthcare Co. Ltd.., 365 Wuzhou Road, Yuhang Economic Development Zone, Yuhang District, Hangzhou, Zhejiang 311100, CHINA.