| Vendor | Spec | Unit | Price | Currency | Date |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1307.98 | USD | 20251009 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 925.43 | USD | 20251009 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1188.43 | USD | 20251009 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1286.88 | USD | 20251009 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 970.44 | USD | 20251009 |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 1209.53 | USD | 20251009 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1378.3 | USD | 20251009 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 932.46 | USD | 20251009 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1364.24 | USD | 20251009 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 932.46 | USD | 20251009 |