| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 1012.26 | USD | 20250919 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 1012.26 | USD | 20250919 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1012.26 | USD | 20250919 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 998.2 | USD | 20250919 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 998.2 | USD | 20250919 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 998.2 | USD | 20250919 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 941.96 | USD | 20250919 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 991.17 | USD | 20250919 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1195.03 | USD | 20250919 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 956.02 | USD | 20250919 |