| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 762.21 | USD | 20251124 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 762.21 | USD | 20251124 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 748.09 | USD | 20251124 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 762.21 | USD | 20251124 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 776.32 | USD | 20251124 |
| Jiangsu Zhonghu Chemical Co., Ltd. | China national standards | MT | 755.15 | USD | 20251124 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 776.32 | USD | 20251124 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 762.21 | USD | 20251124 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 762.21 | USD | 20251124 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 762.21 | USD | 20251124 |