| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1097.02 | USD | 20251009 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1054.82 | USD | 20251009 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 984.5 | USD | 20251009 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1167.34 | USD | 20251009 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 956.37 | USD | 20251009 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1097.02 | USD | 20251009 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1054.82 | USD | 20251009 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 956.37 | USD | 20251009 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 985.15 | USD | 20251008 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 971.08 | USD | 20251008 |