| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1201.26 | USD | 20251201 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 975.14 | USD | 20251201 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1052.87 | USD | 20251201 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 918.61 | USD | 20251201 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1158.86 | USD | 20251201 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 918.61 | USD | 20251201 |
| Zibo Jinshuo Chemical Co., Ltd. | China national standards | MT | 918.61 | USD | 20251201 |
| Jiangsu Youlixin Chemical Co., Ltd. | China national standards | MT | 1067.0 | USD | 20251201 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1243.66 | USD | 20251201 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 876.21 | USD | 20251201 |