| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 159.67 | USD | 20251209 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 209.12 | USD | 20251209 |
| Hubei Shuanghuan Science and Technology Stock Co., Ltd. | China national standards | MT | 183.69 | USD | 20251209 |
| Henan Sendi Environmental Protection Technology Co., Ltd. | China national standards | MT | 202.05 | USD | 20251209 |
| Tangshan Sanyou Chemical Industries Co., Ltd. | China national standards | MT | 183.69 | USD | 20251209 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 190.75 | USD | 20251209 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 209.12 | USD | 20251209 |
| Henan Sendi Environmental Protection Technology Co., Ltd. | China national standards | MT | 194.99 | USD | 20251209 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 254.33 | USD | 20251209 |
| Henan Shunzhibang Environmental Protection Technology Co., Ltd. | China national standards | MT | 254.33 | USD | 20251209 |