| Vendor | Spec | Unit | Price | Currency | Date |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1282.99 | USD | 20251024 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 930.52 | USD | 20251024 |
| Derun Chemical Co., Ltd. | China national standards | MT | 930.52 | USD | 20251024 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1092.66 | USD | 20251024 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1064.46 | USD | 20251024 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 972.82 | USD | 20251024 |
| Shandong Dongming Petroche Mical Group Co., Ltd. | China national standards | MT | 1875.14 | USD | 20251024 |
| China Petroleum and Chemical Corporation Tianjin Branch | China national standards | MT | 845.93 | USD | 20251024 |
| China National Petroleum Corporation Lanzhou Petrochemical Branch | China national standards | MT | 845.93 | USD | 20251024 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1127.9 | USD | 20251024 |