| Vendor | Spec | Unit | Price | Currency | Date |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1190.18 | USD | 20250812 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1190.18 | USD | 20250812 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1015.15 | USD | 20250812 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 1204.18 | USD | 20250812 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 1204.18 | USD | 20250812 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 924.14 | USD | 20250812 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 966.14 | USD | 20250812 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 980.15 | USD | 20250812 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 980.15 | USD | 20250812 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 980.15 | USD | 20250812 |