| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 972.27 | USD | 20251016 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1127.27 | USD | 20251016 |
| Derun Chemical Co., Ltd. | China national standards | MT | 1113.18 | USD | 20251016 |
| Derun Chemical Co., Ltd. | China national standards | MT | 1113.18 | USD | 20251016 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 806.0 | USD | 20251016 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 806.0 | USD | 20251016 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1099.09 | USD | 20251016 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1268.18 | USD | 20251016 |
| Shandong Dongming Petroche Mical Group Co., Ltd. | China national standards | MT | 810.22 | USD | 20251016 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1113.18 | USD | 20251016 |