| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Zihe Supply Chain Management Co., Ltd. | China national standards | MT | 858.47 | USD | 20250924 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 844.39 | USD | 20250924 |
| Tongling Chemical Industry Group Corp.ltd | China national standards | MT | 872.54 | USD | 20250924 |
| Panjin Read Chemical Co., Ltd. | China national standards | MT | 873.95 | USD | 20250924 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 886.61 | USD | 20250924 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 956.98 | USD | 20250924 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 844.39 | USD | 20250924 |
| Hebei Risun Energy Limited | China national standards | MT | 956.98 | USD | 20250924 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 900.69 | USD | 20250924 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 844.39 | USD | 20250924 |