| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 436.27 | USD | 20250925 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 591.07 | USD | 20250925 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 401.09 | USD | 20250925 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 405.31 | USD | 20250925 |
| Shandong Langcheng Chemical Co., Ltd. | 90% | MT | 450.34 | USD | 20250925 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 1125.86 | USD | 20250925 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 422.2 | USD | 20250925 |
| Wuhan Hengjiu Chemical Co., Ltd. | 90% | MT | 457.38 | USD | 20250925 |
| Shandong Yushuo Chemical Co., Ltd. | 90% | MT | 464.42 | USD | 20250925 |
| Shandong Yushuo Chemical Co., Ltd. | 90% | MT | 534.78 | USD | 20250925 |