| Vendor | Spec | Unit | Price | Currency | Date |
| Changzhou Yihan Chemical Co., Ltd. | China national standards | MT | 205.13 | USD | 20251211 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 209.38 | USD | 20251211 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 261.72 | USD | 20251211 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 190.99 | USD | 20251211 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 200.89 | USD | 20251211 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 176.84 | USD | 20251211 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 190.99 | USD | 20251211 |
| Hubei Shuanghuan Science and Technology Stock Co., Ltd. | China national standards | MT | 233.43 | USD | 20251211 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 155.62 | USD | 20251211 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 176.84 | USD | 20251211 |