| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 932.81 | USD | 20251203 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 932.28 | USD | 20251202 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 946.41 | USD | 20251202 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 925.22 | USD | 20251202 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 946.88 | USD | 20251201 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 925.68 | USD | 20251201 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 932.74 | USD | 20251201 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 946.47 | USD | 20251128 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 932.35 | USD | 20251128 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 925.29 | USD | 20251128 |