| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 882.91 | USD | 20251128 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1243.13 | USD | 20251128 |
| Zibo Jinshuo Chemical Co., Ltd. | China national standards | MT | 918.22 | USD | 20251128 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1059.49 | USD | 20251128 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1059.49 | USD | 20251128 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1101.87 | USD | 20251128 |
| Sinopec Shanghai Gaoqiao Petrochemical Company | China national standards | MT | 889.97 | USD | 20251128 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 875.84 | USD | 20251128 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 889.97 | USD | 20251128 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 918.22 | USD | 20251128 |