| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1155.45 | USD | 20251016 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 922.95 | USD | 20251016 |
| Zibo Jinshuo Chemical Co., Ltd. | China national standards | MT | 944.09 | USD | 20251016 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 951.13 | USD | 20251016 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1240.0 | USD | 20251016 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 915.91 | USD | 20251016 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1035.68 | USD | 20251016 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 922.95 | USD | 20251016 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1099.09 | USD | 20251016 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1099.09 | USD | 20251016 |