| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 763.22 | USD | 20251210 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 714.46 | USD | 20251210 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 699.62 | USD | 20251210 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 699.62 | USD | 20251210 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 714.46 | USD | 20251210 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 714.46 | USD | 20251210 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 727.88 | USD | 20251210 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 727.88 | USD | 20251210 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 706.68 | USD | 20251210 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 749.08 | USD | 20251210 |