| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1197.72 | 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 | 1056.81 | USD | 20251016 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1099.09 | USD | 20251016 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 915.91 | USD | 20251016 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 915.91 | USD | 20251016 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1155.45 | USD | 20251016 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1113.18 | USD | 20251016 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1113.18 | USD | 20251016 |
| Sinopec Shanghai Gaoqiao Petrochemical Company | China national standards | MT | 993.41 | USD | 20251016 |