| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1131.77 | USD | 20251211 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1131.77 | USD | 20251211 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1130.69 | USD | 20251210 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1130.69 | USD | 20251210 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1130.37 | USD | 20251209 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1130.37 | USD | 20251209 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1130.52 | USD | 20251208 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1130.52 | USD | 20251208 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1130.76 | USD | 20251205 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1130.76 | USD | 20251205 |