The name of the company：Beijing TopWin Patent Agency Co., Ltd

Address：B412, Tower 6-1, No.28, Hong Lian South Road, Xi Cheng District, Beijing 100055, China

Tel/Cel：+86 13811653729

E-mail：info@topwinip.com    Website：topwinip.com

QQ：2850213105    WhatsApp:+8618611093237