| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1196.37 | USD | 20251011 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1238.6 | USD | 20251011 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 1013.4 | USD | 20251011 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1013.4 | USD | 20251011 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 935.99 | USD | 20251011 |
| Zibo Jinshuo Chemical Co., Ltd. | China national standards | MT | 957.1 | USD | 20251011 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1196.37 | USD | 20251011 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 935.99 | USD | 20251011 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 935.99 | USD | 20251011 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 931.76 | USD | 20251011 |