| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1327.97 | USD | 20250825 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 983.68 | USD | 20250825 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 983.68 | USD | 20250825 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 983.68 | USD | 20250825 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 983.68 | USD | 20250825 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 983.68 | USD | 20250825 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1194.47 | USD | 20250825 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 969.63 | USD | 20250825 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1039.9 | USD | 20250825 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1306.9 | USD | 20250825 |