| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 323.25 | USD | 20250926 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 983.81 | USD | 20250926 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 393.52 | USD | 20250926 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 393.52 | USD | 20250926 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 534.07 | USD | 20250926 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1025.97 | USD | 20250926 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 421.63 | USD | 20250926 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 323.25 | USD | 20250926 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 520.01 | USD | 20250926 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 520.01 | USD | 20250926 |