Group Companies
A mixed-ownership group of 15 operating companies.
Zhejiang Tongao Environmental Technology Co., Ltd. is a mixed-ownership enterprise with capital from Zhejiang provincial and Jiaxing municipal supply and marketing cooperatives, focused on biomass valorisation and carbon-credit development.
Affiliated companies
Structure across the value chain.
Zhejiang Tongao Environmental Technology
Group holding, soil improvement
Tongao Greenchar (Nanjing) Environmental Technology
Carbon arm — a joint venture between Tongao Group and GreenChar Climate Solutions, responsible for international carbon-removal project development, certification and offtake
Zhongke Tongao (Jiaxing)
Soil improvement R&D
Zhongke Tongao (Hangzhou)
Soil improvement R&D
Jiaxing Tongao
Biochar production
Shaoxing Tongao
Biochar production
Pinghu Tongao
Biomass preprocessing
Haining Tongao
Biomass preprocessing
Xiuzhou Tongao
Biomass preprocessing
Jiashan Tongao
Biomass preprocessing
Tongxiang Tongao
Organic fertiliser
Fengming Tongao
Preprocessing & agriculture
Tongao Agriculture
Circular agriculture
Tongao Fengming Ecology
Circular agriculture
Zhejiang Runyi Supply Chain
Low-carbon food distribution
Shanghai Xie'ao
Energy equipment manufacturing