| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 103.0 | USD | 20251119 |
| Shanghai SKY Chem | China national standards | MT | 124.17 | USD | 20251119 |
| Jinan Xingdate Bio | China national standards | MT | 105.82 | USD | 20251119 |
| Hunan Jianghai Env | China national standards | MT | 536.18 | USD | 20251119 |
| Jinan Jinhao Chem | China national standards | MT | 112.88 | USD | 20251119 |
| Henan Leavit Chem | China national standards | MT | 63.51 | USD | 20251118 |
| Henan Leavit Chem | China national standards | MT | 59.28 | USD | 20251118 |
| Shanghai Guoke | China national standards | MT | 124.2 | USD | 20251118 |
| Shanghai SKY Chem | China national standards | MT | 124.2 | USD | 20251118 |
| Wuhan Hengjiu Chem | China national standards | MT | 129.84 | USD | 20251118 |