| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Longhui Chemical Co., Ltd. | China national standards | MT | 1945.06 | USD | 20251017 |
| Shandong Longhui Chemical Co., Ltd. | China national standards | MT | 1634.98 | USD | 20251017 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 1465.84 | USD | 20251017 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1550.41 | USD | 20251017 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 1451.75 | USD | 20251017 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1549.99 | USD | 20251016 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 1465.45 | USD | 20251016 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1479.54 | USD | 20251016 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 1803.63 | USD | 20251016 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1761.36 | USD | 20251016 |