| Vendor | Spec | Unit | Price | Currency | Date |
| Liaocheng Runheng Chemical Trading Co., Ltd. | China national standards | MT | 964.5 | USD | 20251014 |
| Liaocheng Runheng Chemical Trading Co., Ltd. | China national standards | MT | 964.5 | USD | 20251014 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1020.82 | USD | 20251014 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1302.43 | USD | 20251014 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 964.5 | USD | 20251014 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 964.5 | USD | 20251014 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 971.54 | USD | 20251014 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 929.3 | USD | 20251014 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 964.5 | USD | 20251014 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 999.7 | USD | 20251014 |