| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 691.26 | USD | 20251104 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 733.58 | USD | 20251104 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 733.58 | USD | 20251104 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 719.48 | USD | 20251104 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 825.28 | USD | 20251104 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 747.69 | USD | 20251104 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 825.28 | USD | 20251104 |
| Xiangfen Longtengda Chemical Co., Ltd. | China national standards | MT | 846.44 | USD | 20251104 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 775.9 | USD | 20251104 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 987.51 | USD | 20251104 |