| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai Guoke E-commerce Co., Ltd. | China national standards | MT | 633.04 | USD | 20250918 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 337.62 | USD | 20250918 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 393.89 | USD | 20250918 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 393.89 | USD | 20250918 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 984.74 | USD | 20250918 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 323.56 | USD | 20250918 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 422.03 | USD | 20250918 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1026.94 | USD | 20250918 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 534.57 | USD | 20250918 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1026.94 | USD | 20250918 |