| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1265.72 | USD | 20250922 |
| China national standards | MT | 991.48 | USD | 20250922 | |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1040.7 | USD | 20250922 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1040.7 | USD | 20250922 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1116.64 | USD | 20250922 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1265.72 | USD | 20250922 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 970.38 | USD | 20250922 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1005.54 | USD | 20250922 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 970.38 | USD | 20250922 |
| Hualu Holdings Group Co., Ltd. | China national standards | MT | 1307.91 | USD | 20250922 |