| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 985.12 | USD | 20250923 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 985.12 | USD | 20250923 |
| Changzhou Juyun Materials Co., Ltd. | China national standards | MT | 1351.03 | USD | 20250923 |
| Changzhou Juyun Materials Co., Ltd. | China national standards | MT | 1336.95 | USD | 20250923 |
| Changzhou Dohow Chemical Co., Ltd. | China national standards | MT | 956.32 | USD | 20250922 |
| Changzhou Dohow Chemical Co., Ltd. | China national standards | MT | 956.32 | USD | 20250922 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 956.32 | USD | 20250922 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1188.37 | USD | 20250922 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1188.37 | USD | 20250922 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 942.26 | USD | 20250922 |