| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 565.19 | USD | 20251209 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 536.93 | USD | 20251209 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 522.8 | USD | 20251209 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 508.67 | USD | 20251209 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 579.32 | USD | 20251209 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 452.15 | USD | 20251209 |
| BASF-YPC. Co., Ltd. | China national standards | MT | 678.22 | USD | 20251209 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 494.54 | USD | 20251209 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 508.67 | USD | 20251209 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 480.41 | USD | 20251209 |