| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1124.73 | USD | 20250919 |
| Zhejiang Petroleum&Chemical Co., Ltd. | China national standards | MT | 984.14 | USD | 20250919 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 998.2 | USD | 20250919 |
| Sinopec Shanghai Gaoqiao Petrochemical Company | China national standards | MT | 991.17 | USD | 20250919 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 991.17 | USD | 20250919 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 991.17 | USD | 20250919 |
| Shanghai Sinopec Mitsui Chemicals, Co., Ltd. | China national standards | MT | 991.17 | USD | 20250919 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1089.58 | USD | 20250919 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 956.02 | USD | 20250919 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1054.44 | USD | 20250919 |