| Vendor | Spec | Unit | Price | Currency | Date |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1182.39 | USD | 20251129 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1257.26 | USD | 20251129 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1207.81 | USD | 20251129 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 960.6 | USD | 20251129 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1214.88 | USD | 20251129 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1243.13 | USD | 20251129 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1214.88 | USD | 20251129 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1214.88 | USD | 20251129 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1115.99 | USD | 20251129 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1229.0 | USD | 20251129 |