| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 957.81 | USD | 20251015 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 915.56 | USD | 20251015 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 985.98 | USD | 20251015 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1183.18 | USD | 20251015 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 845.13 | USD | 20251015 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 845.13 | USD | 20251015 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 845.13 | USD | 20251015 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 845.13 | USD | 20251015 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 915.56 | USD | 20251015 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 985.98 | USD | 20251015 |