| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 956.02 | USD | 20250919 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 984.14 | USD | 20250919 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 984.14 | USD | 20250919 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 984.14 | USD | 20250919 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 984.14 | USD | 20250919 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 984.14 | USD | 20250919 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 970.08 | USD | 20250919 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1040.38 | USD | 20250919 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 956.02 | USD | 20250919 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 956.02 | USD | 20250919 |