| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 922.44 | USD | 20251013 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 943.02 | USD | 20251012 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 943.02 | USD | 20251012 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 943.02 | USD | 20251012 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 1013.4 | USD | 20251012 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1196.37 | USD | 20251012 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1090.81 | USD | 20251012 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 943.02 | USD | 20251012 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1013.4 | USD | 20251012 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 957.1 | USD | 20251012 |