Key facts
- Sweeper’s last known valuation is $61.8M (Sep 2021).
- It has raised $5.9M; the latest was Later Stage VC in Aug 2025.
- Notable investors include Zijin Hi-Tech Venture Capital, GSR United Capital, Nanjing Hi-tech Venture Capital, GoldenSand Capital, Kongxing Wu — 8 tracked in total.
- Status: Privately Held (backing).
- ·The complete investor list — 8 names
- ·Watchlist + deal alerts for Sweeper
- ·The full record, as it builds
Funding rounds
No funding rounds for Sweeper are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
About Sweeper
Provider of treatment solutions for agricultural pollution built for advancing green ecological agriculture with a commitment to sustainable, environmentally friendly waste treatment and resource utilization in the farming industry. The company focuses on research and development of treatment technologies for agricultural pollution and provides biological and environmental protection services and fertilizer products for farms, enabling clients to increase economic benefits through re-utilizing agricultural wastes and reduce costs.
- Sector
- Business Products and Services (B2B)
- HQ
- Nanjing, China
- Founded
- 2015
- Employees
- 60
- Website
- sinosweeper.com/
- Ownership
- Privately Held (backing)
Sweeper doesn't have a composite mark yet — a PA Mark is published once enough pricing inputs exist (trade prints, fund marks, round prices). The rest of the record below builds toward it.
Recorded secondary trades
No secondary trades in Sweeper shares have been recorded yet. When a print lands — third-party, direct report, or platform — it appears here with structure, source, and price.
Institutional fund marks
No SEC-registered fund has reported a fair-value mark on Sweeper in its N-PORT filings yet. We sweep new filings monthly.