| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 351.84 | USD | 20250915 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 351.84 | USD | 20250915 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 379.98 | USD | 20250915 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 358.87 | USD | 20250915 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 358.87 | USD | 20250915 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 358.87 | USD | 20250915 |
| Guangxi Tiandong Jinyi Technology Co., Ltd. | China national standards | MT | 492.9 | USD | 20250909 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 264.76 | USD | 20250909 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 264.76 | USD | 20250909 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 352.07 | USD | 20250909 |