| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1125.08 | USD | 20250922 |
| Shanghai Guoke E-commerce Co., Ltd. | China national standards | MT | 1276.97 | USD | 20250922 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1054.76 | USD | 20250922 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1089.92 | USD | 20250922 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 984.45 | USD | 20250922 |
| Shandong Hengrui Chemical Co., Ltd. | China national standards | MT | 984.45 | USD | 20250922 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 998.51 | USD | 20250922 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 998.51 | USD | 20250922 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 998.51 | USD | 20250922 |
| Sinopec Shanghai Gaoqiao Petrochemical Company | China national standards | MT | 914.13 | USD | 20250922 |