| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 986.89 | USD | 20251021 |
| Shandong Hengrui Chemical Co., Ltd. | China national standards | MT | 916.4 | USD | 20251021 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1198.36 | USD | 20251021 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 944.59 | USD | 20251021 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 930.49 | USD | 20251021 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 923.45 | USD | 20251021 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1057.38 | USD | 20251021 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 888.2 | USD | 20251021 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 986.89 | USD | 20251021 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 930.49 | USD | 20251021 |