| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 777.07 | USD | 20251127 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 904.22 | USD | 20251127 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 830.75 | USD | 20251127 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 748.81 | USD | 20251127 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 777.07 | USD | 20251127 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 755.87 | USD | 20251127 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 755.87 | USD | 20251127 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 762.94 | USD | 20251127 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 762.94 | USD | 20251127 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 967.8 | USD | 20251127 |