| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1169.77 | USD | 20251022 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 944.27 | USD | 20251022 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 986.55 | USD | 20251022 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 993.6 | USD | 20251022 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 916.09 | USD | 20251022 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1240.24 | USD | 20251022 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 930.18 | USD | 20251022 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1057.02 | USD | 20251022 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1197.96 | USD | 20251022 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1057.02 | USD | 20251022 |