| Vendor | Spec | Unit | Price | Currency | Date |
| Changzhou Juyun Materials Co., Ltd. | China national standards | MT | 1350.1 | USD | 20250922 |
| Changzhou Juyun Materials Co., Ltd. | China national standards | MT | 1350.1 | USD | 20250922 |
| Changzhou Juyun Materials Co., Ltd. | China national standards | MT | 1336.03 | USD | 20250922 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1293.84 | USD | 20250922 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1329.0 | USD | 20250922 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1286.81 | USD | 20250922 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1195.4 | USD | 20250922 |
| SINOPEC Maoming Petrochemical Co., Ltd. | China national standards | MT | 1125.08 | USD | 20250922 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1153.21 | USD | 20250922 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 984.45 | USD | 20250922 |