| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1013.3 | USD | 20251001 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 957.01 | USD | 20251001 |
| Jiangsu Xiaomi Chemical Trading Co., Ltd. | China national standards | MT | 959.82 | USD | 20250930 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 971.08 | USD | 20250930 |
| Zhejiang Petroleum&Chemical Co., Ltd. | China national standards | MT | 985.15 | USD | 20250930 |
| Shanghai Sinopec Mitsui Chemicals, Co., Ltd. | China national standards | MT | 964.04 | USD | 20250930 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 985.15 | USD | 20250930 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1125.89 | USD | 20250930 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 985.15 | USD | 20250930 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 971.08 | USD | 20250930 |