| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1110.3 | USD | 20250926 |
| Shanghai Sinopec Mitsui Chemicals, Co., Ltd. | China national standards | MT | 990.84 | USD | 20250926 |
| Sinopec/sabic Tianjin Petrochemical Company Limited | China national standards | MT | 997.86 | USD | 20250926 |
| Zhejiang Petroleum&Chemical Co., Ltd. | China national standards | MT | 983.81 | USD | 20250926 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 983.81 | USD | 20250926 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1152.46 | USD | 20250926 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 983.81 | USD | 20250926 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 955.7 | USD | 20250926 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1166.52 | USD | 20250926 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1047.05 | USD | 20250926 |