| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 844.75 | USD | 20250916 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 844.75 | USD | 20250916 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 844.75 | USD | 20250916 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 788.43 | USD | 20250916 |
| Qingdao Shengze Chemical Co., Ltd. | Industrial Grade | MT | 816.26 | USD | 20250915 |
| Qingdao Shengze Chemical Co., Ltd. | Industrial Grade | MT | 816.26 | USD | 20250915 |
| Qingdao Shengze Chemical Co., Ltd. | Industrial Grade | MT | 816.26 | USD | 20250915 |
| Qingdao Shengze Chemical Co., Ltd. | Industrial Grade | MT | 816.26 | USD | 20250915 |
| Qingdao Shengze Chemical Co., Ltd. | Industrial Grade | MT | 816.26 | USD | 20250915 |
| Qingdao Shengze Chemical Co., Ltd. | Industrial Grade | MT | 816.26 | USD | 20250915 |