| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 924.1 | USD | 20251031 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 924.31 | USD | 20251030 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 945.47 | USD | 20251030 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 931.36 | USD | 20251030 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 931.64 | USD | 20251029 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 945.75 | USD | 20251029 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 924.58 | USD | 20251029 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 924.41 | USD | 20251028 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 945.58 | USD | 20251028 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 931.47 | USD | 20251028 |