| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 886.64 | USD | 20251001 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 872.56 | USD | 20251001 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 886.64 | USD | 20250930 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1027.37 | USD | 20250930 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 1027.37 | USD | 20250930 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 985.15 | USD | 20250930 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 844.42 | USD | 20250930 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 942.93 | USD | 20250930 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 844.42 | USD | 20250930 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 1027.37 | USD | 20250930 |