| Vendor | Spec | Unit | Price | Currency | Date |
| Derun Chemical Co., Ltd. | China national standards | MT | 930.65 | USD | 20251023 |
| Jinan Jiaxing Chemical Co., Ltd. | China national standards | MT | 817.85 | USD | 20251023 |
| Shandong Dongming Petroche Mical Group Co., Ltd. | China national standards | MT | 1875.41 | 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 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1015.26 | USD | 20251023 |
| Derun Chemical Co., Ltd. | China national standards | MT | 1113.96 | USD | 20251023 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 930.65 | USD | 20251023 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 944.75 | USD | 20251023 |
| Shandong Dongming Petroche Mical Group Co., Ltd. | China national standards | MT | 810.38 | USD | 20251022 |