| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 971.07 | USD | 20250915 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 971.07 | USD | 20250915 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 971.07 | USD | 20250915 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 971.07 | USD | 20250915 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 971.07 | USD | 20250915 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 971.07 | USD | 20250915 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 985.8 | USD | 20250909 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 999.59 | USD | 20250908 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 999.59 | USD | 20250908 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 999.1 | USD | 20250907 |