| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 746.53 | USD | 20251015 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 802.87 | USD | 20251015 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 746.53 | USD | 20251015 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 746.26 | USD | 20251014 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 851.86 | USD | 20251014 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 732.18 | USD | 20251014 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 943.38 | USD | 20251014 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 746.26 | USD | 20251014 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 943.38 | USD | 20251014 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 746.26 | USD | 20251014 |