| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1192.37 | USD | 20251103 |
| Changzhou Juyun Materials Co., Ltd. | China national standards | MT | 1354.65 | USD | 20251103 |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 987.77 | USD | 20251103 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1157.1 | USD | 20251103 |
| PetroChina Kunlun Gas Co., Ltd. Liquefied Gas Daqing Petrochemical Branch | China national standards | MT | 1199.43 | USD | 20251103 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 987.77 | USD | 20251103 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1333.48 | USD | 20251103 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 931.32 | USD | 20251103 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 987.77 | USD | 20251103 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1157.1 | USD | 20251103 |