| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1243.01 | USD | 20251126 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1214.76 | USD | 20251126 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1080.57 | USD | 20251126 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1172.38 | USD | 20251126 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1031.13 | USD | 20251126 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1182.27 | USD | 20251126 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1122.94 | USD | 20251126 |
| Wudi Xinyue Chemical Group Co., Ltd. | China national standards | MT | 1115.88 | USD | 20251126 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1200.63 | USD | 20251126 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1130.01 | USD | 20251126 |