| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 932.48 | USD | 20251127 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 727.62 | USD | 20251127 |
| China National Petroleum Corporation Lanzhou Petrochemical Branch | China national standards | MT | 847.71 | USD | 20251127 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1116.15 | USD | 20251127 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 932.48 | USD | 20251127 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 974.87 | USD | 20251127 |
| Shandong Dongming Petroche Mical Group Co., Ltd. | China national standards | MT | 786.96 | USD | 20251127 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1102.02 | USD | 20251127 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 734.68 | USD | 20251127 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 875.97 | USD | 20251127 |