| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 194.22 | USD | 20250930 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 194.22 | USD | 20250930 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 253.32 | USD | 20250930 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 253.32 | USD | 20250930 |
| Henan Shunzhibang Environmental Protection Technology Co., Ltd. | China national standards | MT | 253.32 | USD | 20250930 |
| Henan Shunzhibang Environmental Protection Technology Co., Ltd. | China national standards | MT | 267.4 | USD | 20250930 |
| Henan Shunzhibang Environmental Protection Technology Co., Ltd. | China national standards | MT | 239.25 | USD | 20250930 |
| Jiangxi Xinmao Chemical Co., Ltd. | China national standards | MT | 189.99 | USD | 20250930 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 189.99 | USD | 20250930 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 182.96 | USD | 20250930 |