| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1090.81 | USD | 20251011 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1041.55 | USD | 20251011 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1041.55 | USD | 20251011 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 1027.47 | USD | 20251011 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1210.45 | USD | 20251011 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1210.45 | USD | 20251011 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1203.41 | USD | 20251011 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1203.41 | USD | 20251011 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1203.41 | USD | 20251011 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1203.41 | USD | 20251011 |