| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1001.65 | USD | 20250808 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 1176.77 | USD | 20250808 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 1176.77 | USD | 20250808 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 924.6 | USD | 20250808 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 952.62 | USD | 20250808 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1190.78 | USD | 20250808 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1190.78 | USD | 20250808 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 966.63 | USD | 20250808 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 980.64 | USD | 20250808 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 980.64 | USD | 20250808 |