| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 789.24 | USD | 20251022 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 789.24 | USD | 20251022 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 761.06 | USD | 20251022 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 761.06 | USD | 20251022 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 718.78 | USD | 20251022 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 718.78 | USD | 20251022 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 803.34 | USD | 20251022 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 718.78 | USD | 20251022 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 718.78 | USD | 20251022 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 746.96 | USD | 20251022 |