| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 491.71 | USD | 20251209 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 607.58 | USD | 20251209 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 491.71 | USD | 20251209 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 579.32 | USD | 20251209 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 579.32 | USD | 20251209 |
| BASF-YPC. Co., Ltd. | China national standards | MT | 678.22 | USD | 20251209 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 491.71 | USD | 20251209 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 565.19 | USD | 20251209 |
| BASF-YPC. Co., Ltd. | China national standards | MT | 593.45 | USD | 20251209 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 628.77 | USD | 20251209 |