| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 952.64 | USD | 20251028 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 797.39 | USD | 20251028 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 952.3 | USD | 20251027 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 797.11 | USD | 20251027 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 796.58 | USD | 20251024 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 951.67 | USD | 20251024 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 951.8 | USD | 20251023 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 796.69 | USD | 20251023 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 796.29 | USD | 20251022 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 951.32 | USD | 20251022 |