| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 937.04 | USD | 20251016 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1197.72 | USD | 20251016 |
| PetroChina Kunlun Gas Co., Ltd. Liquefied Gas Daqing Petrochemical Branch | China national standards | MT | 1197.72 | USD | 20251016 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 1000.45 | USD | 20251016 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 937.04 | USD | 20251016 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1190.68 | USD | 20251016 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 915.91 | USD | 20251016 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1218.86 | USD | 20251016 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 915.91 | USD | 20251016 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 915.91 | USD | 20251016 |