Cheap. Tongdelao hot pot is one of the brands of Chongqing Chuanyu Defu Catering Management Company. The dishes are eight dollars a head, which is very affordable, and there are coupons, which are cheap. Founded in 2017, Chongqing Chuanyu Defu Catering Management Company is a national catering chain enterprise integrating hotpot catering management, hotpot catering technology research and development, hotpot catering culture development, hotpot catering project planning and consulting.