| Vendor | Spec | Unit | Price | Currency | Date |
| Tongdai Haijing Soda | China national standards | MT | 169.12 | USD | 20251022 |
| Suzhou ChemMat | China national standards | MT | 204.36 | USD | 20251022 |
| Hubei Shuanghuan Tech | China national standards | MT | 211.4 | USD | 20251022 |
| Guangdong Huihao | China national standards | MT | 211.4 | USD | 20251022 |
| Guangdong Huihao | China national standards | MT | 211.4 | USD | 20251022 |
| Shandong Yuanhe Chem | China national standards | MT | 225.5 | USD | 20251022 |
| Henan Shunzhibang | China national standards | MT | 267.78 | USD | 20251022 |
| Henan Shunzhibang | China national standards | MT | 253.69 | USD | 20251022 |
| Henan Shunzhibang | China national standards | MT | 239.59 | USD | 20251022 |
| Anhui Haozhan Tech | China national standards | MT | 204.36 | USD | 20251022 |