| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1747.73 | USD | 20251017 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1172.67 | USD | 20251017 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1172.67 | USD | 20251017 |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1479.94 | USD | 20251017 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1761.83 | USD | 20251017 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1522.22 | USD | 20251017 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1169.85 | USD | 20251017 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1183.95 | USD | 20251017 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1592.69 | USD | 20251017 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1831.81 | USD | 20251016 |