| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 780.76 | USD | 20250918 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1005.84 | USD | 20250918 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1005.84 | USD | 20250918 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1005.84 | USD | 20250918 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 773.72 | USD | 20250918 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 759.65 | USD | 20250918 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 759.65 | USD | 20250918 |
| Kellin Chemicals (Zhangjiagang) Co., Ltd. | China national standards | MT | 759.65 | USD | 20250918 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 759.65 | USD | 20250918 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 829.99 | USD | 20250918 |