The Yongjia Project is located in Yongjia County, Wenzhou City, Zhejiang Province. It involves a contracted capacity of 1,450 tons per day for the treatment of municipal solid waste. Phase 1 of the project, with a daily processing capacity of 700 tons, commenced construction in December 2010 and was successfully commissioned in the latter half of 2012. Phase 2 of the project, with a daily processing capacity of 750 tons, was officially commissioned in the early part of 2021.