| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1097.22 | USD | 20250929 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 928.41 | USD | 20250929 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 984.68 | USD | 20250929 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1153.48 | USD | 20250929 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 984.68 | USD | 20250929 |
| Shanghai Sinopec Mitsui Chemicals, Co., Ltd. | China national standards | MT | 963.58 | USD | 20250929 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1167.55 | USD | 20250929 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 998.75 | USD | 20250929 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 963.58 | USD | 20250929 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 1266.02 | USD | 20250929 |