| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 713.79 | USD | 20251205 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 989.41 | USD | 20251205 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 989.41 | USD | 20251205 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 727.93 | USD | 20251205 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 727.93 | USD | 20251205 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 714.5 | USD | 20251205 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 699.66 | USD | 20251205 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 699.66 | USD | 20251205 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 714.5 | USD | 20251205 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 714.5 | USD | 20251205 |