| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1054.44 | USD | 20250919 |
| SINOPEC Maoming Petrochemical Co., Ltd. | China national standards | MT | 1124.73 | USD | 20250919 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 984.14 | USD | 20250919 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 984.14 | USD | 20250919 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1152.85 | USD | 20250919 |
| Wanhua Chemical Group Co., Ltd. | China national standards | MT | 1012.26 | USD | 20250919 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 965.86 | USD | 20250919 |
| SINOPEC Qingdao Refining&Chemical Co., Ltd. | China national standards | MT | 984.14 | USD | 20250919 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 984.14 | USD | 20250919 |
| Changzhou Dohow Chemical Co., Ltd. | China national standards | MT | 956.02 | USD | 20250919 |