| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 840.55 | USD | 20250809 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 840.55 | USD | 20250809 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 840.55 | USD | 20250809 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 840.55 | USD | 20250809 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 840.55 | USD | 20250809 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1134.74 | USD | 20250809 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1050.69 | USD | 20250809 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 784.51 | USD | 20250809 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 812.53 | USD | 20250809 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 875.57 | USD | 20250809 |