| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 930.82 | USD | 20251120 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 923.77 | USD | 20251120 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 931.47 | USD | 20251118 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 924.41 | USD | 20251118 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 945.58 | USD | 20251118 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 946.11 | USD | 20251117 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 924.93 | USD | 20251117 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 931.99 | USD | 20251117 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 931.87 | USD | 20251114 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 945.99 | USD | 20251114 |