| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 464.61 | USD | 20250916 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 422.37 | USD | 20250916 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 478.69 | USD | 20250916 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 401.26 | USD | 20250916 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 405.48 | USD | 20250916 |
| Shandong Langcheng Chemical Co., Ltd. | 90% | MT | 450.53 | USD | 20250916 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 633.56 | USD | 20250916 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 633.56 | USD | 20250916 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 535.01 | USD | 20250916 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1027.78 | USD | 20250916 |