| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 1081.29 | USD | 20251205 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 819.8 | USD | 20251205 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1109.56 | USD | 20251205 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1130.76 | USD | 20251205 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1257.97 | USD | 20251205 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 819.8 | USD | 20251205 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 869.27 | USD | 20251205 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 869.27 | USD | 20251205 |
| Liaocheng Jinxinda New Material Co., Ltd. | China national standards | MT | 855.14 | USD | 20251205 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 890.47 | USD | 20251205 |