| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 998.51 | USD | 20250922 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1054.76 | USD | 20250922 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 970.38 | USD | 20250922 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 956.32 | USD | 20250922 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1012.57 | USD | 20250922 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 984.45 | USD | 20250922 |
| Sinopec Shanghai Gaoqiao Petrochemical Company | China national standards | MT | 991.48 | USD | 20250922 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 914.13 | USD | 20250922 |
| Shanghai Sinopec Mitsui Chemicals, Co., Ltd. | China national standards | MT | 991.48 | USD | 20250922 |
| Zhejiang Petroleum&Chemical Co., Ltd. | China national standards | MT | 984.45 | USD | 20250922 |