| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1121.99 | USD | 20251118 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1093.77 | USD | 20251118 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1189.0 | USD | 20251117 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1122.63 | USD | 20251117 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1094.39 | USD | 20251117 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1094.25 | USD | 20251114 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1188.85 | USD | 20251114 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1122.48 | USD | 20251114 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1121.85 | USD | 20251113 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1188.17 | USD | 20251113 |