| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1050.16 | USD | 20250812 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 980.15 | USD | 20250812 |
| Jiangsu Jurong Chemical Co., Ltd. | China national standards | MT | 910.13 | USD | 20250812 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 784.12 | USD | 20250812 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 882.13 | USD | 20250812 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 875.13 | USD | 20250812 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 840.12 | USD | 20250812 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 840.12 | USD | 20250812 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 784.12 | USD | 20250812 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 812.12 | USD | 20250812 |