| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 1012.57 | USD | 20250922 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1012.57 | USD | 20250922 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1012.57 | USD | 20250922 |
| Wudi Xinyue Chemical Group Co., Ltd. | China national standards | MT | 984.45 | USD | 20250922 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1202.43 | USD | 20250922 |
| Shinghwa Advanced Material Group Co., Ltd. | China national standards | MT | 1202.43 | USD | 20250922 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1202.43 | USD | 20250922 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1202.43 | USD | 20250922 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1202.43 | USD | 20250922 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1209.46 | USD | 20250922 |