| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 930.52 | USD | 20251024 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 972.82 | USD | 20251024 |
| Shandong Dongming Petroche Mical Group Co., Ltd. | China national standards | MT | 785.3 | USD | 20251024 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 944.62 | USD | 20251024 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 803.63 | USD | 20251024 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 757.11 | USD | 20251024 |
| Derun Chemical Co., Ltd. | China national standards | MT | 930.52 | USD | 20251024 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 930.52 | USD | 20251024 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 944.62 | USD | 20251024 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 972.82 | USD | 20251024 |