| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1013.3 | USD | 20250930 |
| Jiangsu Xiaomi Chemical Trading Co., Ltd. | China national standards | MT | 959.82 | USD | 20250930 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 978.12 | USD | 20250930 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 971.08 | USD | 20250930 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 971.08 | USD | 20250930 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1168.11 | USD | 20250930 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 978.12 | USD | 20250930 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 985.15 | USD | 20250930 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 928.86 | USD | 20250930 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 886.64 | USD | 20250930 |