| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuojia 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 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1060.33 | USD | 20251204 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1625.83 | USD | 20251204 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 1569.28 | USD | 20251204 |
| Dongying Liancheng Chemical Co., Ltd. | China national standards | MT | 1201.7 | USD | 20251204 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 918.95 | USD | 20251204 |
| Jinan Jiaxing Chemical Co., Ltd. | China national standards | MT | 1131.01 | USD | 20251204 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1569.28 | USD | 20251204 |