| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1265.72 | USD | 20250922 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1125.08 | USD | 20250922 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1125.08 | USD | 20250922 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1167.27 | USD | 20250922 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1075.53 | USD | 20250921 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 956.02 | USD | 20250920 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 984.14 | USD | 20250920 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1026.32 | USD | 20250920 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1195.03 | USD | 20250920 |
| Befar Group Co., Ltd. | China national standards | MT | 885.73 | USD | 20250920 |