| Vendor | Spec | Unit | Price | Currency | Date | 
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 1069.59 | USD | 20250930 | 
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 971.08 | USD | 20250930 | 
| Shandong Changyi Petrochemical Co., Ltd. | China national standards | MT | 826.12 | USD | 20250930 | 
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 830.34 | USD | 20250930 | 
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 830.34 | USD | 20250930 | 
| Shandong Dongming Petroche Mical Group Co., Ltd. | China national standards | MT | 1871.79 | USD | 20250930 | 
| China Petroleum and Chemical Corporation Tianjin Branch | China national standards | MT | 844.42 | USD | 20250930 | 
| China National Petroleum Corporation Lanzhou Petrochemical Branch | China national standards | MT | 844.42 | USD | 20250930 | 
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 802.2 | USD | 20250930 | 
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 985.15 | USD | 20250930 |