| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 1265.79 | USD | 20251009 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 1209.53 | USD | 20251009 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 1266.02 | USD | 20250929 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 1125.35 | USD | 20250929 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 1124.35 | USD | 20250926 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 1236.79 | USD | 20250926 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 1125.86 | USD | 20250925 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 1125.86 | USD | 20250924 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 1125.86 | USD | 20250923 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 1125.08 | USD | 20250922 |