| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hezhan Chemical Co., Ltd. | China national standards | MT | 180.92 | USD | 20251205 |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 159.72 | USD | 20251205 |
| Changzhou Yihan Chemical Co., Ltd. | China national standards | MT | 204.95 | USD | 20251205 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 155.48 | USD | 20251205 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 190.82 | USD | 20251205 |
| Shandong Haihua Co., Ltd. | China national standards | MT | 254.42 | USD | 20251205 |
| Anhui Haozhan Environmental Protection Technology Co., Ltd. | China national standards | MT | 204.95 | USD | 20251205 |
| Tangshan Sanyou Chemical Industries Co., Ltd. | China national standards | MT | 183.75 | USD | 20251205 |
| Hubei Shuanghuan Science and Technology Stock Co., Ltd. | China national standards | MT | 212.02 | USD | 20251205 |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 159.72 | USD | 20251205 |