| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 798.78 | USD | 20251204 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 954.29 | USD | 20251204 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 954.01 | USD | 20251203 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 798.54 | USD | 20251203 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 953.47 | USD | 20251202 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 798.09 | USD | 20251202 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 798.48 | USD | 20251201 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 953.94 | USD | 20251201 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 953.54 | USD | 20251128 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 798.15 | USD | 20251128 |