| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 759.95 | USD | 20250925 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 1351.03 | USD | 20250925 |
| Yancheng SUPER Chemical Technology Co., Ltd. | China national standards | MT | 926.02 | USD | 20250925 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 918.98 | USD | 20250925 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 900.69 | USD | 20250925 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 830.32 | USD | 20250925 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 830.32 | USD | 20250925 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1006.23 | USD | 20250925 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1006.23 | USD | 20250925 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1006.23 | USD | 20250925 |