| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 944.09 | USD | 20251016 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 986.36 | USD | 20251016 |
| Zibo Jinshuo Chemical Co., Ltd. | China national standards | MT | 944.09 | USD | 20251016 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 986.36 | USD | 20251016 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 915.91 | USD | 20251016 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1049.77 | USD | 20251016 |
| Shandong Hengrui Chemical Co., Ltd. | China national standards | MT | 915.91 | USD | 20251016 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 915.91 | USD | 20251016 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 986.36 | USD | 20251016 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 986.36 | USD | 20251016 |