What other investment projects are there besides ppp?

In addition to ppp, there are also investment projects of BOT, RRR and TTT. Electrical appliance companies have invested in 49 waste incineration power generation projects in BOT, RRR, TTT and other modes, with a designed waste treatment capacity of 54,700 tons/day (including shareholding projects). According to the needs of the country, more projects will follow up.