| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 745.59 | USD | 20250918 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 689.32 | USD | 20250918 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 604.91 | USD | 20250918 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 618.98 | USD | 20250918 |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 618.98 | USD | 20250918 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 738.55 | USD | 20250918 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 599.28 | USD | 20250918 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 590.84 | USD | 20250918 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 562.71 | USD | 20250918 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 541.61 | USD | 20250918 |