| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 965.22 | USD | 20251016 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 944.09 | USD | 20251016 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 965.22 | USD | 20251016 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 986.36 | USD | 20251016 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 972.27 | USD | 20251016 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1197.27 | USD | 20251015 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 929.64 | USD | 20251015 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 915.56 | USD | 20251015 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 1239.52 | USD | 20251015 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 1014.16 | USD | 20251015 |