| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 932.74 | USD | 20251201 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 734.89 | USD | 20251201 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 932.74 | USD | 20251201 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 932.74 | USD | 20251201 |
| Derun Chemical Co., Ltd. | China national standards | MT | 932.74 | USD | 20251201 |
| Xingtai Risun Coal Chemicais Limited | China national standards | MT | 1286.06 | USD | 20251201 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 932.74 | USD | 20251201 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 932.74 | USD | 20251201 |
| Shandong Dongming Petroche Mical Group Co., Ltd. | China national standards | MT | 932.74 | USD | 20251201 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 932.74 | USD | 20251201 |