| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1084.58 | USD | 20251015 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 788.79 | USD | 20251015 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1197.27 | USD | 20251015 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 887.39 | USD | 20251015 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 788.79 | USD | 20251015 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 788.79 | USD | 20251015 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 901.47 | USD | 20251015 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 943.38 | USD | 20251014 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 919.45 | USD | 20251014 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 922.26 | USD | 20251014 |