| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 733.58 | USD | 20251104 |
| Tangshan Hua Yi Industrial Co., Ltd. | China national standards | MT | 888.76 | USD | 20251104 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 987.51 | USD | 20251104 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 776.1 | USD | 20251103 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 733.77 | USD | 20251103 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 776.1 | USD | 20251103 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 776.1 | USD | 20251103 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 740.82 | USD | 20251103 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 754.94 | USD | 20251103 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 754.94 | USD | 20251103 |