| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 337.93 | USD | 20251014 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 422.41 | USD | 20251014 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 323.85 | USD | 20251014 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 352.01 | USD | 20251014 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 450.57 | USD | 20251014 |
| Shandong LuoHeng Chemical Products Co., Ltd. | China national standards | MT | 1041.95 | USD | 20251014 |
| Shandong LuoHeng Chemical Products Co., Ltd. | 90% | MT | 506.89 | USD | 20251014 |
| Shandong LuoHeng Chemical Products Co., Ltd. | China national standards | MT | 436.49 | USD | 20251014 |
| Shandong Langcheng Chemical Co., Ltd. | 90% | MT | 450.57 | USD | 20251014 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 405.51 | USD | 20251014 |