| Vendor | Spec | Unit | Price | Currency | Date |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1583.42 | USD | 20251204 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 848.26 | USD | 20251204 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1569.28 | USD | 20251204 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1512.73 | USD | 20251204 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1512.73 | USD | 20251204 |
| Jiangsu Haixing Chemical Co., Ltd. | China national standards | MT | 1272.39 | USD | 20251204 |
| Dongying Liancheng Chemical Co., Ltd. | China national standards | MT | 1201.7 | USD | 20251204 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1512.28 | USD | 20251203 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 1568.82 | USD | 20251203 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 1568.82 | USD | 20251203 |