| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Dongming Petroche Mical Group Co., Ltd. | China national standards | MT | 785.3 | USD | 20251024 |
| Derun Chemical Co., Ltd. | China national standards | MT | 1113.81 | USD | 20251024 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 930.65 | USD | 20251023 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 930.65 | USD | 20251023 |
| Shandong Dongming Petroche Mical Group Co., Ltd. | China national standards | MT | 930.65 | USD | 20251023 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1092.81 | USD | 20251023 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 930.65 | USD | 20251023 |
| Xingtai Risun Coal Chemicais Limited | China national standards | MT | 1283.17 | USD | 20251023 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 930.65 | USD | 20251023 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 930.65 | USD | 20251023 |