| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 845.68 | USD | 20251018 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 817.49 | USD | 20251018 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 902.06 | USD | 20251017 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 817.49 | USD | 20251017 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 1014.81 | USD | 20251017 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 1028.91 | USD | 20251017 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 845.68 | USD | 20251017 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 930.25 | USD | 20251017 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 930.25 | USD | 20251017 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 739.97 | USD | 20251017 |