| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 829.99 | USD | 20250918 |
| Jinan Jiaxing Chemical Co., Ltd. | China national standards | MT | 886.26 | USD | 20250918 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1111.35 | USD | 20250918 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 970.67 | USD | 20250918 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 801.86 | USD | 20250918 |
| Shandong Dongming Petroche Mical Group Co., Ltd. | China national standards | MT | 1871.0 | USD | 20250918 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 984.74 | USD | 20250918 |
| Shandong Changyi Petrochemical Co., Ltd. | China national standards | MT | 851.09 | USD | 20250918 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 829.99 | USD | 20250918 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1012.87 | USD | 20250918 |