| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 159.65 | USD | 20251127 |
| Henan Shunzhibang Environmental Protection Technology Co., Ltd. | China national standards | MT | 240.18 | USD | 20251127 |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 445.05 | USD | 20251127 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 254.31 | USD | 20251127 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 176.61 | USD | 20251127 |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 159.65 | USD | 20251127 |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 148.35 | USD | 20251127 |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 197.8 | USD | 20251127 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 211.93 | USD | 20251127 |
| Henan Shunzhibang Environmental Protection Technology Co., Ltd. | China national standards | MT | 254.31 | USD | 20251127 |