| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1333.24 | USD | 20251101 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1326.19 | USD | 20251101 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1227.43 | USD | 20251101 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1156.88 | USD | 20251101 |
| Changzhou Juyun Materials Co., Ltd. | China national standards | MT | 1354.4 | USD | 20251101 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1220.37 | USD | 20251101 |
| Changzhou Juyun Materials Co., Ltd. | China national standards | MT | 1354.4 | USD | 20251101 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1312.08 | USD | 20251101 |
| PetroChina Kunlun Gas Co., Ltd. Liquefied Gas Daqing Petrochemical Branch | China national standards | MT | 1199.21 | USD | 20251101 |
| Changzhou Juyun Materials Co., Ltd. | China national standards | MT | 1340.29 | USD | 20251101 |