| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1042.15 | USD | 20251013 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1204.11 | USD | 20251013 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1204.11 | USD | 20251013 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 1042.15 | USD | 20251013 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1204.11 | USD | 20251013 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1211.15 | USD | 20251013 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1204.11 | USD | 20251013 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1204.11 | USD | 20251013 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 1042.15 | USD | 20251013 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1042.15 | USD | 20251013 |