| Vendor | Spec | Unit | Price | Currency | Date |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 788.41 | USD | 20250908 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 788.41 | USD | 20250908 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 844.73 | USD | 20250908 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 781.37 | USD | 20250908 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 816.57 | USD | 20250908 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 816.57 | USD | 20250908 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 901.04 | USD | 20250908 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 901.04 | USD | 20250908 |
| Shandong Langcheng Chemical Co., Ltd. | Industrial Grade | MT | 908.08 | USD | 20250908 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 936.24 | USD | 20250908 |