| Vendor | Spec | Unit | Price | Currency | Date |
| Tangshan Sanyou Chemical Industries Co., Ltd. | China national standards | MT | 183.74 | USD | 20251210 |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 445.21 | USD | 20251210 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 254.41 | USD | 20251210 |
| Shandong Haihua Co., Ltd. | China national standards | MT | 254.41 | USD | 20251210 |
| Hubei Shuanghuan Science and Technology Stock Co., Ltd. | China national standards | MT | 233.21 | USD | 20251210 |
| Hubei Shuanghuan Science and Technology Stock Co., Ltd. | China national standards | MT | 212.01 | USD | 20251210 |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 159.71 | USD | 20251210 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 190.8 | USD | 20251210 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 200.7 | USD | 20251210 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 176.67 | USD | 20251210 |