Which units in Suzhou, Jiangsu have massive information and the second value-added service of call center business?

There are the following companies:

Suzhou Keweixun Information Service Co., Ltd. was established on 201-01-05, mainly engaged in the call center business of the second kind of value-added telecommunications services in the province. (operating within the scope permitted by the value-added telecommunications business license); Business information consultation and service. (Projects subject to approval according to law can only be operated after approval by relevant departments).