| Vendor | Spec | Unit | Price | Currency | Date |
| Jiangsu Youlixin Chemical Co., Ltd. | China national standards | MT | 1097.48 | USD | 20250901 |
| Jiangsu Youlixin Chemical Co., Ltd. | China national standards | MT | 1266.32 | USD | 20250901 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 971.42 | USD | 20250831 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 971.42 | USD | 20250831 |
| Nanjing Daze Trading Co., Ltd. | China national standards | MT | 1126.28 | USD | 20250831 |
| Nanjing Daze Trading Co., Ltd. | China national standards | MT | 1126.28 | USD | 20250830 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 971.42 | USD | 20250830 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 971.42 | USD | 20250830 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 872.87 | USD | 20250830 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 886.95 | USD | 20250830 |