| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 985.62 | USD | 20251014 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 957.46 | USD | 20251014 |
| Hangjin Technology Co., Ltd. | China national standards | MT | 1013.78 | USD | 20251014 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1175.71 | USD | 20251014 |
| Befar Group Co., Ltd. | China national standards | MT | 887.06 | USD | 20251014 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1027.86 | USD | 20251014 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1196.83 | USD | 20251014 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1196.83 | USD | 20251014 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1077.15 | USD | 20251014 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1126.43 | USD | 20251014 |