| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1251.65 | USD | 20250922 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1082.89 | USD | 20250922 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1096.95 | USD | 20250922 |
| Shandong Tongzhou Chemical Co., Ltd. | China national standards | MT | 1406.35 | USD | 20250922 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1082.89 | USD | 20250922 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1251.65 | USD | 20250922 |
| Shandong Hengrui Chemical Co., Ltd. | China national standards | MT | 1096.95 | USD | 20250922 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1082.56 | USD | 20250920 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1082.56 | USD | 20250920 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1082.56 | USD | 20250920 |