| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 942.26 | USD | 20250922 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 914.13 | USD | 20250922 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 998.51 | USD | 20250922 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 970.38 | USD | 20250922 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 970.38 | USD | 20250922 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 984.45 | USD | 20250922 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1195.4 | USD | 20250922 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 984.45 | USD | 20250922 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1047.73 | USD | 20250922 |
| Jiangsu Xiaomi Chemical Trading Co., Ltd. | China national standards | MT | 984.45 | USD | 20250922 |