| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 998.51 | USD | 20250922 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 998.51 | USD | 20250922 |
| Shandong Hengrui Chemical Co., Ltd. | China national standards | MT | 984.45 | USD | 20250922 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 998.51 | USD | 20250922 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 942.26 | USD | 20250922 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 991.48 | USD | 20250922 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 1012.57 | USD | 20250922 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 1012.57 | USD | 20250922 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1012.57 | USD | 20250922 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 886.0 | USD | 20250922 |