Green Carbon Synthetic Energy
绿碳合成能源
Green Carbon Synthetic Energy (绿碳合成能源) is a Chinese startup developing proprietary Fischer-Tropsch synthesis technology to produce sustainable aviation fuel (SAF) and other green fuels from biomass waste such as agricultural and forestry residues and municipal solid waste. Founded in July 2023 in Shaoxing by CEO Dr. Xiao Lifeng, who previously worked at a top international nanocatalysis lab, the company has assembled a core team with backgrounds in leading nanocatalysis research, major state-owned energy enterprises, and listed companies .
The company has moved quickly: within two years it completed independent R&D of its Fischer-Tropsch SAF process with a fully domesticated core process package, and is now building its first self-operated factory in Inner Mongolia, expected to come online by end of 2025 with annual SAF capacity in the thousands of tons . Green Carbon Synthetic Energy has raised two rounds to date—a tens-of-millions RMB angel round led exclusively by Linear Capital in mid-2024, and a nearly RMB 100 million Pre-A round in July 2025 led by Rongtuo Capital with DeLian Capital and Linear Capital following its pro rata . Linear Capital, which frames its interest around "affordable ESG," cited the team's clarity on technology commercialization and engineering scalability as reasons for its continued backing .
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Coverage
The First Newsletter of Autumn | Linear Quarterly
Cycles turn, and Wanwu Capital begins to harvest.
"Green Carbon Synthetic Energy" Closes Tens of Millions of RMB in Pre-A Funding, Linear Capital Continues to Double Down | Linear Portfolio
Its first self-operated factory will have an annual production capacity of 1,000 metric tons of SAF upon completion.
Green Carbon Synthesis, a company developing proprietary next-generation sustainable aviation fuel technology, has raised tens of millions of RMB in an angel round led by Linear Capital.
Green Carbon Synthesis has optimized the catalyst and process pathway based on conventional Fischer-Tropsch technology, independently developing a third-generation Fischer-Tropsch synthesis process for producing SAF.
