| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 985.15 | USD | 20251004 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 985.15 | USD | 20251004 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 985.15 | USD | 20251004 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1013.3 | USD | 20251004 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 1013.3 | USD | 20251003 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 942.93 | USD | 20251003 |
| Sinopec Shanghai Gaoqiao Petrochemical Company | China national standards | MT | 914.78 | USD | 20251003 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1013.3 | USD | 20251003 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 1013.3 | USD | 20251003 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 957.01 | USD | 20251003 |