| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1229.18 | USD | 20251127 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 925.42 | USD | 20251127 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1102.02 | USD | 20251127 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 1271.56 | USD | 20251127 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1200.92 | USD | 20251127 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1200.92 | USD | 20251127 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 904.22 | USD | 20251127 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 1017.25 | USD | 20251127 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 925.42 | USD | 20251127 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1130.28 | USD | 20251127 |