| Vendor | Spec | Unit | Price | Currency | Date |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1282.96 | USD | 20251021 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 930.49 | USD | 20251021 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 930.49 | USD | 20251021 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 930.49 | USD | 20251021 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 930.49 | USD | 20251021 |
| Derun Chemical Co., Ltd. | China national standards | MT | 930.49 | USD | 20251021 |
| Shandong Dongming Petroche Mical Group Co., Ltd. | China national standards | MT | 930.49 | USD | 20251021 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 930.49 | USD | 20251021 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 930.49 | USD | 20251021 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 930.49 | USD | 20251021 |