| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 987.65 | USD | 20251121 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 712.52 | USD | 20251121 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 719.58 | USD | 20251121 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 747.8 | USD | 20251121 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 853.62 | USD | 20251121 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 846.56 | USD | 20251121 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 684.3 | USD | 20251121 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 705.47 | USD | 20251121 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 846.56 | USD | 20251121 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 776.01 | USD | 20251121 |