| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1199.84 | USD | 20251029 |
| Befar Group Co., Ltd. | China national standards | MT | 889.29 | USD | 20251029 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1030.45 | USD | 20251029 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 959.87 | USD | 20251029 |
| Hangjin Technology Co., Ltd. | China national standards | MT | 1016.33 | USD | 20251029 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 988.1 | USD | 20251029 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1058.68 | USD | 20251029 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 988.1 | USD | 20251029 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1213.95 | USD | 20251029 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1178.66 | USD | 20251029 |