| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 786.95 | USD | 20250825 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 758.84 | USD | 20250825 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 772.9 | USD | 20250825 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 786.95 | USD | 20250825 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 702.63 | USD | 20250825 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 743.12 | USD | 20250824 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 848.28 | USD | 20250823 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 862.3 | USD | 20250823 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 785.18 | USD | 20250823 |
| Anhui Ruibai New Material Co., Ltd. | China national standards | MT | 687.03 | USD | 20250823 |