| Vendor | Spec | Unit | Price | Currency | Date |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 197.88 | USD | 20251205 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 190.82 | USD | 20251205 |
| Henan Sendi Environmental Protection Technology Co., Ltd. | China national standards | MT | 202.12 | USD | 20251205 |
| Hubei Shuanghuan Science and Technology Stock Co., Ltd. | China national standards | MT | 212.02 | USD | 20251205 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 169.61 | USD | 20251205 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 176.68 | USD | 20251205 |
| Shandong Haihua Co., Ltd. | China national standards | MT | 190.82 | USD | 20251205 |
| Henan Sendi Environmental Protection Technology Co., Ltd. | China national standards | MT | 202.12 | USD | 20251205 |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 148.41 | USD | 20251205 |
| Henan Baoxin Environmental Protection Technology Co., Ltd. | China national standards | MT | 165.41 | USD | 20251204 |