Hello, Maxima Bidding Network, jointly operated by Beijing Dream Times Information Consulting Co., Ltd., Shenzhou Guosoft (Beijing) Technology Co., Ltd. and Beijing Maxima Netcom Technology Co., Ltd., was established in June 2006 with a total registered capital of 1 1.6 million yuan.
Regarding his authenticity, I suggest you go to Haidian Branch of Beijing Administration for Industry and Commerce for enquiry. Their website has their business license, organization code and other numbers.