| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1196.37 | USD | 20251010 |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 938.8 | USD | 20251010 |
| SINOPEC Maoming Petrochemical Co., Ltd. | China national standards | MT | 1126.0 | USD | 20251010 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1287.86 | USD | 20251010 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1330.09 | USD | 20251010 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 938.8 | USD | 20251010 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 985.25 | USD | 20251010 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 985.25 | USD | 20251010 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 938.8 | USD | 20251010 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 985.25 | USD | 20251010 |