| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1333.15 | USD | 20251104 |
| Zhangjiagang Free Trade Zone Zhaohe Trade Co., Ltd. | China national standards | MT | 905.69 | USD | 20251104 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 874.66 | USD | 20251104 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1157.1 | USD | 20251103 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1220.6 | USD | 20251103 |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 1213.54 | USD | 20251103 |
| China National Petroleum Corporation Jinzhou Petrochemical Branch | China national standards | MT | 1213.54 | USD | 20251103 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1192.37 | USD | 20251103 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1192.37 | USD | 20251103 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1171.21 | USD | 20251103 |