Address: Room 409, 4th Floor, Aggregate Data Building, No.9 Rongfu Street, Suzhou Industrial Park
Contact number: 0512-6938 3264
E-mail: Marketing@knowhy.com.cn
Website: www.knowhy.com.cn

Address: Block A, Building 2, Apple Community North District, Shuangjing Street, Chaoyang District, Beijing
E-mail: Marketing@knowhy.com.cn
Website: www.knowhy.com.cn