| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 977.47 | USD | 20251009 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1153.27 | USD | 20251009 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1054.82 | USD | 20251009 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1012.63 | USD | 20251009 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1111.08 | USD | 20251009 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 956.37 | USD | 20251009 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 998.57 | USD | 20251009 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 956.37 | USD | 20251009 |
| Zhejiang Petroleum&Chemical Co., Ltd. | China national standards | MT | 984.5 | USD | 20251009 |
| Shanghai Sinopec Mitsui Chemicals, Co., Ltd. | China national standards | MT | 963.4 | USD | 20251009 |