Tongao 同奥科技Tongao GroupTongao · 同奥科技
Biomass Valorisation

Turning agricultural and forestry residues into resource inputs.

Every year Tongao processes more than 200,000 tonnes of biomass residues collected across Zhejiang and neighbouring regions, converting them through five valorisation pathways.

Feedstock catalogue

What we collect and process.

01
Field crop residues
Rice straw, rice husk, corn stalks, wheat straw
02
Economic crop residues
Coffee residues, tobacco residues, sugarcane bagasse
03
Bamboo & forestry residues
Bamboo residues, forestry processing residues
04
Pruning residues
Orchard pruning, vine cuttings, urban landscape trimmings
05
Livestock residues
Poultry and livestock waste
Preprocessing network

Seven regional preprocessing plants in Zhejiang.

Annual biomass throughput above 200,000 tonnes across sorting, drying, sizing and quality control.

Five-way valorisation

Five product pathways from one feedstock stream.

01
Fertiliser
Organic fertiliser and biochar-based organic fertiliser.
02
Fuel
Biomass energy pellets and combustible gas.
03
Feed
Livestock and poultry feed products.
04
Substrate
Seedling, nursery and cultivation substrates.
05
Biochar material
High-carbon biochar for soil, industry and energy.