| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1357.22 | USD | 20251204 |
| Jiangsu Haixing Chemical Co., Ltd. | China national standards | MT | 1272.39 | USD | 20251204 |
| Jiangsu Haixing Chemical Co., Ltd. | China national standards | MT | 1272.39 | USD | 20251204 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1152.22 | USD | 20251204 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 1569.28 | USD | 20251204 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1583.42 | USD | 20251204 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1060.33 | USD | 20251204 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1512.73 | USD | 20251204 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1176.25 | USD | 20251204 |
| Dongying Liancheng Chemical Co., Ltd. | China national standards | MT | 1201.7 | USD | 20251204 |