| Vendor | Spec | Unit | Price | Currency | Date |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1014.16 | USD | 20251015 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1105.71 | USD | 20251015 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 957.81 | USD | 20251015 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 911.33 | USD | 20251015 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 985.98 | USD | 20251015 |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 915.56 | USD | 20251015 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 915.56 | USD | 20251015 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1295.87 | USD | 20251015 |
| Changzhou Juyun Materials Co., Ltd. | China national standards | MT | 1352.21 | USD | 20251015 |
| Changzhou Juyun Materials Co., Ltd. | China national standards | MT | 1338.12 | USD | 20251015 |