| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1187.84 | USD | 20251104 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1121.53 | USD | 20251104 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1121.82 | USD | 20251103 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1188.14 | USD | 20251103 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1093.6 | USD | 20251103 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1093.4 | USD | 20251031 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1187.92 | USD | 20251031 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1121.61 | USD | 20251031 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1093.64 | USD | 20251030 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1188.19 | USD | 20251030 |