| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 998.8 | USD | 20250918 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1237.95 | USD | 20250918 |
| Shandong Hengrui Chemical Co., Ltd. | China national standards | MT | 914.4 | USD | 20250918 |
| Sinopec Shanghai Gaoqiao Petrochemical Company | China national standards | MT | 914.4 | USD | 20250918 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 998.8 | USD | 20250918 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 984.74 | USD | 20250918 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 984.74 | USD | 20250918 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 984.74 | USD | 20250918 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 984.74 | USD | 20250918 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1012.87 | USD | 20250918 |