| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1188.0 | USD | 20250919 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1188.0 | USD | 20250919 |
| Changzhou Juyun Materials Co., Ltd. | China national standards | MT | 1349.68 | USD | 20250919 |
| Changzhou Juyun Materials Co., Ltd. | China national standards | MT | 1335.62 | USD | 20250919 |
| Changzhou Juyun Materials Co., Ltd. | China national standards | MT | 1349.68 | USD | 20250919 |
| China National Petroleum Corporation Jinzhou Petrochemical Branch | China national standards | MT | 1209.09 | USD | 20250919 |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 1209.09 | USD | 20250919 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1166.91 | USD | 20250919 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1041.01 | USD | 20250918 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 956.6 | USD | 20250918 |