| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 925.84 | USD | 20250821 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 967.92 | USD | 20250821 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 981.95 | USD | 20250821 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1017.02 | USD | 20250821 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1192.36 | USD | 20250821 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 980.61 | USD | 20250820 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 966.6 | USD | 20250820 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 980.61 | USD | 20250820 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 952.59 | USD | 20250820 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1015.63 | USD | 20250820 |