| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 867.36 | USD | 20251120 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 928.0 | USD | 20251120 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 902.62 | USD | 20251120 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 966.08 | USD | 20251120 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 902.62 | USD | 20251120 |
| Liaocheng Jinxinda New Material Co., Ltd. | China national standards | MT | 782.74 | USD | 20251120 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 789.79 | USD | 20251120 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 775.69 | USD | 20251120 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 761.58 | USD | 20251120 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 829.28 | USD | 20251120 |