| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1027.34 | USD | 20250924 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1203.26 | USD | 20250924 |
| Shinghwa Advanced Material Group Co., Ltd. | China national standards | MT | 1203.26 | USD | 20250924 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1203.26 | USD | 20250924 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1203.26 | USD | 20250924 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1203.26 | USD | 20250924 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1210.3 | USD | 20250924 |
| Dongying Huatai Chemical Group Co., Ltd. | China national standards | MT | 1210.3 | USD | 20250924 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 1013.27 | USD | 20250924 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1013.27 | USD | 20250924 |