| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 804.23 | USD | 20251121 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 945.33 | USD | 20251121 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 853.62 | 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 Xima Supply Chain Management Co., Ltd. | China national standards | MT | 705.47 | USD | 20251121 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 747.8 | USD | 20251121 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 684.3 | USD | 20251121 |
| Changzhou Guoshun Chemical Co., Ltd. | China national standards | MT | 1693.12 | USD | 20251121 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 945.33 | USD | 20251121 |