| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 971.57 | USD | 20250912 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.65 | USD | 20250912 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.65 | USD | 20250912 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.65 | USD | 20250912 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1196.86 | USD | 20250912 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 971.57 | USD | 20250912 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 929.33 | USD | 20250912 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 929.47 | USD | 20250909 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1021.01 | USD | 20250909 |
| Nanjing Nalcohol New Material Co., Ltd. | China national standards | MT | 1168.88 | USD | 20250909 |