| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 1043.0 | USD | 20251018 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1205.09 | USD | 20251018 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1205.09 | USD | 20251018 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1205.09 | USD | 20251018 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1205.09 | USD | 20251018 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1205.09 | USD | 20251018 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1212.14 | USD | 20251018 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1212.14 | USD | 20251018 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1179.72 | USD | 20251018 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1078.24 | USD | 20251018 |