| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 1072.23 | USD | 20251031 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1036.96 | USD | 20251031 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1312.08 | USD | 20251031 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1213.59 | USD | 20251030 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1213.59 | USD | 20251030 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1340.6 | USD | 20251030 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1181.14 | USD | 20251030 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1220.65 | USD | 20251030 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1206.54 | USD | 20251030 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1206.54 | USD | 20251030 |