| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 944.59 | USD | 20251021 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1156.07 | USD | 20251021 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1198.36 | USD | 20251021 |
| Zibo Jinshuo Chemical Co., Ltd. | China national standards | MT | 944.59 | USD | 20251021 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1050.33 | USD | 20251021 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 993.94 | USD | 20251021 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 916.4 | USD | 20251021 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1057.38 | USD | 20251021 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 919.22 | USD | 20251021 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 930.49 | USD | 20251021 |