| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 989.27 | USD | 20251201 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 925.68 | USD | 20251201 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 918.61 | USD | 20251201 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 1102.33 | USD | 20251201 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1088.2 | USD | 20251201 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 918.61 | USD | 20251201 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1229.53 | USD | 20251201 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 862.08 | USD | 20251201 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 1243.66 | USD | 20251201 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 946.88 | USD | 20251201 |