| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 797.39 | USD | 20251118 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 952.64 | USD | 20251118 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 953.17 | USD | 20251117 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 797.84 | USD | 20251117 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 797.74 | USD | 20251114 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 953.05 | USD | 20251114 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 952.52 | USD | 20251113 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 797.29 | USD | 20251113 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 797.65 | USD | 20251112 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 952.95 | USD | 20251112 |