| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1192.14 | USD | 20251027 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1333.22 | USD | 20251027 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 973.46 | USD | 20251027 |
| PetroChina Kunlun Gas Co., Ltd. Liquefied Gas Daqing Petrochemical Branch | China national standards | MT | 1199.19 | USD | 20251027 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1199.19 | USD | 20251027 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 987.57 | USD | 20251027 |
| SINOPEC Maoming Petrochemical Co., Ltd. | China national standards | MT | 1128.65 | USD | 20251027 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1170.98 | USD | 20251027 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1220.36 | USD | 20251027 |
| Changzhou Juyun Materials Co., Ltd. | China national standards | MT | 1354.38 | USD | 20251027 |