| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 845.9 | USD | 20251021 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 845.9 | USD | 20251021 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 930.49 | USD | 20251021 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 902.3 | USD | 20251021 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 740.17 | USD | 20251021 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 909.35 | USD | 20251021 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 929.93 | USD | 20251020 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 845.39 | USD | 20251020 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 739.72 | USD | 20251020 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 1014.47 | USD | 20251020 |