| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1121.85 | USD | 20251113 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1122.36 | USD | 20251112 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1188.71 | USD | 20251112 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1094.12 | USD | 20251112 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1093.61 | USD | 20251111 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1188.16 | USD | 20251111 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1121.84 | USD | 20251111 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1121.99 | USD | 20251110 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1093.77 | USD | 20251110 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1188.33 | USD | 20251110 |