| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1220.36 | USD | 20251027 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1058.11 | USD | 20251027 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1213.3 | USD | 20251027 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1312.06 | USD | 20251027 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1206.25 | USD | 20251027 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1058.11 | USD | 20251027 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1213.3 | USD | 20251027 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1206.25 | USD | 20251027 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1340.27 | USD | 20251027 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1206.25 | USD | 20251027 |