Shenzhen headquarters (Shenzhen Jinyi Technology Co., Ltd.)
Business: 0755 - 27211799 / 27211700 / 23703700
Customer service: 0755 - 23703700 to 802
Fax: 0755 - 23703700 ext. 808
Email： yq@56sys.com
Address: 701-702, Xinwei business building, No. 121, Jianhui Road, Longhua new area, Shenzhen