| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 2037.89 | USD | 20250928 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 2037.89 | USD | 20250928 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 1756.8 | USD | 20250928 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 1461.66 | USD | 20250928 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 1461.66 | USD | 20250928 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1475.71 | USD | 20250928 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 1447.61 | USD | 20250928 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1545.99 | USD | 20250928 |
| Ji'nan Century Lianxing Economic Trade Co., Ltd. | China national standards | MT | 1686.53 | USD | 20250928 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 1756.8 | USD | 20250927 |