| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 731.3 | USD | 20250922 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 731.08 | USD | 20250921 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 885.73 | USD | 20250920 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 906.82 | USD | 20250920 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 829.49 | USD | 20250920 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 815.43 | USD | 20250920 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 1012.26 | USD | 20250919 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 1026.32 | USD | 20250919 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 815.43 | USD | 20250919 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 815.43 | USD | 20250919 |