| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 943.38 | USD | 20251014 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 999.7 | USD | 20251014 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 985.62 | USD | 20251014 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 985.62 | USD | 20251014 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 915.22 | USD | 20251014 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1098.27 | USD | 20251014 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1077.15 | USD | 20251014 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1098.27 | USD | 20251014 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1253.15 | USD | 20251014 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 985.62 | USD | 20251014 |