| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 436.93 | USD | 20251018 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 366.46 | USD | 20251018 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 436.93 | USD | 20251018 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 436.93 | USD | 20251018 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 436.93 | USD | 20251018 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 521.5 | USD | 20251018 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 436.93 | USD | 20251018 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 366.46 | USD | 20251018 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 436.93 | USD | 20251017 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 634.26 | USD | 20251017 |