| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 886.64 | USD | 20251007 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 816.27 | USD | 20251007 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 886.64 | USD | 20251006 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 731.83 | USD | 20251005 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 886.64 | USD | 20251005 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 816.27 | USD | 20251005 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 886.64 | USD | 20251004 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 816.27 | USD | 20251004 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 886.64 | USD | 20251003 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 886.64 | USD | 20251002 |