| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 954.93 | USD | 20251211 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 799.31 | USD | 20251211 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 798.55 | USD | 20251210 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 954.02 | USD | 20251210 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 953.75 | USD | 20251209 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 798.33 | USD | 20251209 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 953.87 | USD | 20251208 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 798.43 | USD | 20251208 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 954.08 | USD | 20251205 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 798.6 | USD | 20251205 |