| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1333.24 | USD | 20251031 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1192.16 | USD | 20251031 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1192.16 | USD | 20251031 |
| SINOPEC Qingdao Refining&Chemical Co., Ltd. | China national standards | MT | 881.77 | USD | 20251031 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1312.08 | USD | 20251031 |
| Changzhou Juyun Materials Co., Ltd. | China national standards | MT | 1340.29 | USD | 20251031 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 884.59 | USD | 20251031 |
| PetroChina Kunlun Gas Co., Ltd. Liquefied Gas Daqing Petrochemical Branch | China national standards | MT | 1199.21 | USD | 20251031 |
| Changzhou Juyun Materials Co., Ltd. | China national standards | MT | 1354.4 | USD | 20251031 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 991.82 | USD | 20251031 |