| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 758.94 | USD | 20250926 |
| Kellin Chemicals (Zhangjiagang) Co., Ltd. | China national standards | MT | 758.94 | USD | 20250926 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 899.48 | USD | 20250926 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 899.48 | USD | 20250926 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 1349.22 | USD | 20250926 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 765.97 | USD | 20250926 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 765.97 | USD | 20250926 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 765.97 | USD | 20250926 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 765.97 | USD | 20250926 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 765.97 | USD | 20250926 |