| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 843.55 | USD | 20250920 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 822.46 | USD | 20250920 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 913.85 | USD | 20250920 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 829.49 | USD | 20250920 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 2151.05 | USD | 20250920 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 2151.05 | USD | 20250920 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 2151.05 | USD | 20250920 |
| Shandong Energy Group Co., Ltd. | China national standards | MT | 787.31 | USD | 20250920 |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 773.25 | USD | 20250920 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 2179.17 | USD | 20250920 |