| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 1125.08 | USD | 20250922 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 1124.73 | USD | 20250920 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 1124.73 | USD | 20250919 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 1195.03 | USD | 20250919 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 1195.03 | USD | 20250919 |