| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei 789 Chem | China national standards | MT | 253.32 | USD | 20250923 |
| Shanghai Guoke | China national standards | MT | 260.35 | USD | 20250923 |
| Jinan Jinrihe Chem | China national standards | MT | 168.88 | USD | 20250923 |
| Shandong Qiangsen Chem | China national standards | MT | 189.99 | USD | 20250923 |
| Jiangxi Jinghao Salt | China national standards | MT | 197.02 | USD | 20250923 |
| Pingxiang Lixin BioTech | China national standards | MT | 182.95 | USD | 20250923 |
| Pingxiang Lixin BioTech | China national standards | MT | 184.36 | USD | 20250923 |
| Henan Junma Chem | China national standards | MT | 189.99 | USD | 20250923 |
| Henan Leavit Chem | China national standards | MT | 189.99 | USD | 20250923 |
| Zhangzhou Sanan Chem | China national standards | MT | 225.17 | USD | 20250923 |