| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 884.59 | USD | 20251031 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 931.15 | USD | 20251031 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1100.45 | USD | 20251031 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 987.58 | USD | 20251031 |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 1213.32 | USD | 20251031 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1170.99 | USD | 20251031 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 884.59 | USD | 20251031 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 973.48 | USD | 20251031 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 931.15 | USD | 20251031 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 884.59 | USD | 20251031 |