| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 702.96 | USD | 20250919 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 850.58 | USD | 20250919 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 702.96 | USD | 20250919 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 688.9 | USD | 20250919 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 745.14 | USD | 20250919 |
| Jinan Jiaxing Chemical Co., Ltd. | China national standards | MT | 702.96 | USD | 20250919 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 766.22 | USD | 20250919 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 703.38 | USD | 20250918 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 703.38 | USD | 20250918 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 829.99 | USD | 20250918 |