| Vendor | Spec | Unit | Price | Currency | Date | 
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 808.7 | USD | 20251009 | 
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 836.83 | USD | 20251009 | 
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 984.5 | USD | 20251009 | 
| China National Petroleum Corporation Lanzhou Petrochemical Branch | China national standards | MT | 843.86 | USD | 20251009 | 
| China Petroleum and Chemical Corporation Tianjin Branch | China national standards | MT | 1068.89 | USD | 20251009 | 
| China Petroleum and Chemical Corporation Jingmen Branch | China national standards | MT | 1097.02 | USD | 20251009 | 
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1097.02 | USD | 20251009 | 
| Jinan Jiaxing Chemical Co., Ltd. | China national standards | MT | 886.05 | USD | 20251009 | 
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 808.7 | USD | 20251009 | 
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 808.7 | USD | 20251009 |