| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 1017.54 | USD | 20251201 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 833.82 | USD | 20251201 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 890.35 | USD | 20251201 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 819.68 | USD | 20251201 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 890.35 | USD | 20251201 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 911.54 | USD | 20251201 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 1031.67 | USD | 20251201 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 819.34 | USD | 20251130 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 889.97 | USD | 20251130 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 889.97 | USD | 20251129 |