| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 918.91 | USD | 20251022 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 918.91 | USD | 20251022 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1113.4 | USD | 20251022 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 944.27 | USD | 20251022 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 918.91 | USD | 20251022 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1240.24 | USD | 20251022 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 918.91 | USD | 20251022 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1057.02 | USD | 20251022 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1169.77 | USD | 20251022 |
| Jiangsu Youlixin Chemical Co., Ltd. | China national standards | MT | 1064.07 | USD | 20251022 |