Is Beijing Qiancheng Hongwei Information Consulting Co., Ltd. an intermediary?

It depends on the definition of your intermediary ~

It is clear from the name of the company that they are just information consultation and have no right to be an intermediary or agent.

The name of a formal intermediary company should be called * * * Real Estate Agency Co., Ltd. or * * * Actor Agency Co., Ltd., with the emphasis on the word brokerage.