| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1202.79 | USD | 20250918 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1202.79 | USD | 20250918 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1202.79 | USD | 20250918 |
| Shinghwa Advanced Material Group Co., Ltd. | China national standards | MT | 1202.79 | USD | 20250918 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1202.79 | USD | 20250918 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 957.38 | USD | 20250916 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 985.54 | USD | 20250916 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1046.08 | USD | 20250916 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1013.7 | USD | 20250916 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1077.06 | USD | 20250916 |