Hangzhou Sejoy Electronics & Instrument Co., ltd.Joytech Healthcare Co., ltd. Address: Area C, Building 2, No.365, Wuzhou Road, Yuhang Economic Development Zone, Hangzhou City, 311100, Zhejiang, China Code: 311100 Mobile: +86 18868123757 Fax: poct@sejoy.com Phone: +86-571-81957782 Fax: +86-571-81957750 OUR COMPANY ————