Top verified solvent suppliers in China (2026)
Five ISO9001 + REACH-compliant solvent producers across Shanghai, Changzhou and Zibo — verified by ChemExact's BD team in 2026, with capacity, certs and FOB indicative pricing.
Why this list exists
China hosts > 800 nominal solvent suppliers; less than 12% pass a minimum compliance bar (ISO9001 + REACH + verified capacity > 5 kt/yr). This is the 2026 short-list of producers we've signed and audited on-site for ChemExact's verified pool.
Top 5 verified solvent suppliers
1. Jinhu Chemical Co., Ltd. (Shanghai)
- Capacity: acetone 30 kt/yr, toluene 25 kt/yr
- Certs: ISO9001:2015, REACH-registered
- FOB Shanghai indicative: acetone USD 0.85–1.10/kg
2. Changzhou Acid Works (Changzhou)
- Capacity: acetic acid 80 kt/yr, sulfuric acid 120 kt/yr
- Certs: ISO9001:2015 + ISO14001:2015
- FOB Shanghai indicative: acetic acid USD 0.42–0.58/kg
3. Zibo Pigment Corp. (Zibo)
- Solvent ancillary: methanol 200 kt/yr (captive), DMF 8 kt/yr
- Certs: ISO9001:2015
4. Nanjing Fine Chemistry (Nanjing)
- Solvent: ethyl acetate 40 kt/yr, isopropanol 12 kt/yr
- Certs: ISO9001 + GMP
5. Qingdao Surfactants Inc. (Qingdao)
- Solvent ancillary for surfactant production
- Certs: ISO9001:2015, REACH-registered
How ChemExact verifies
- Document audit — ISO certs cross-checked with the issuing registrar; REACH dossiers verified against ECHA registry.
- Site visit — annual on-site audit (capacity, QA lab, EHS, warehouse) by the ChemExact BD lead.
- Sample-to-shipment parity test — three random shipments per year are sampled and tested by an independent lab (SGS or Intertek) to confirm CoA-stated assay matches reality.
- Recertify every 12 months — verified status lapses if any of the above fails.
Frequently asked
What does ChemExact's 'verified' badge actually mean?
It means the supplier has passed a document audit, an annual on-site visit, and at least one sample-to-shipment parity test in the last 12 months.
Can I get a smaller supplier added if I already trust them?
Yes — submit a verification request and our BD team will run the same audit on your candidate within 4-6 weeks.
Do verified suppliers offer better pricing?
Not always cheaper, but more predictable: the verified pool tends to honour fixed quotes for 30 days and rarely no-shows on lead time.