| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Sendi Environmental Protection Technology Co., Ltd. | China national standards | MT | 201.17 | USD | 20250918 |
| Henan Shunzhibang Environmental Protection Technology Co., Ltd. | China national standards | MT | 253.22 | USD | 20250918 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 253.22 | USD | 20250918 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 189.91 | USD | 20250918 |
| Henan Shunzhibang Environmental Protection Technology Co., Ltd. | China national standards | MT | 267.29 | USD | 20250918 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 168.81 | USD | 20250918 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 194.13 | USD | 20250918 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 253.22 | USD | 20250918 |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 189.91 | USD | 20250918 |
| Anhui Haozhan Environmental Protection Technology Co., Ltd. | China national standards | MT | 211.01 | USD | 20250918 |