| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 886.64 | USD | 20251001 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 1013.3 | USD | 20250930 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 1027.37 | USD | 20250930 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 816.27 | USD | 20250930 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 830.34 | USD | 20250930 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 886.64 | USD | 20250930 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 731.83 | USD | 20250930 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 731.83 | USD | 20250930 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 907.75 | USD | 20250930 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 816.27 | USD | 20250930 |