| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1197.72 | USD | 20251016 |
| Befar Group Co., Ltd. | China national standards | MT | 887.72 | USD | 20251016 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 958.18 | USD | 20251016 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1056.81 | USD | 20251016 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 1070.91 | USD | 20251016 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 1042.72 | USD | 20251016 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1042.72 | USD | 20251016 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1042.72 | USD | 20251016 |
| Befar Group Co., Ltd. | China national standards | MT | 1338.63 | USD | 20251016 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1268.18 | USD | 20251016 |