| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1119.39 | USD | 20251014 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1091.23 | USD | 20251014 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1185.56 | USD | 20251014 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1185.8 | USD | 20251013 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1119.61 | USD | 20251013 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1118.96 | USD | 20251011 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1090.81 | USD | 20251011 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1185.11 | USD | 20251011 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1118.96 | USD | 20251010 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1185.11 | USD | 20251010 |