| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 997.86 | USD | 20250926 |
| Sinopec Shanghai Gaoqiao Petrochemical Company | China national standards | MT | 913.54 | USD | 20250926 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1054.08 | USD | 20250926 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 941.65 | USD | 20250926 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 1011.92 | USD | 20250926 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 990.84 | USD | 20250926 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 997.86 | USD | 20250926 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 1011.92 | USD | 20250926 |
| Shandong Hengrui Chemical Co., Ltd. | China national standards | MT | 885.43 | USD | 20250926 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1011.92 | USD | 20250926 |