| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1026.64 | USD | 20250922 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 1026.64 | USD | 20250922 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 843.81 | USD | 20250922 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 927.9 | USD | 20250921 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 956.02 | USD | 20250921 |
| Hebei Risun Energy Limited | China national standards | MT | 956.02 | USD | 20250921 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 941.96 | USD | 20250920 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 843.55 | USD | 20250920 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 843.55 | USD | 20250920 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 843.55 | USD | 20250920 |