| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 734.68 | USD | 20251127 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 727.62 | USD | 20251127 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 734.68 | USD | 20251127 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 762.94 | USD | 20251127 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 946.61 | USD | 20251127 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 706.42 | USD | 20251127 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 748.81 | USD | 20251127 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 777.07 | USD | 20251127 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 946.61 | USD | 20251127 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 727.62 | USD | 20251127 |