| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 436.93 | USD | 20251018 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 436.93 | USD | 20251018 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 436.93 | USD | 20251018 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 436.93 | USD | 20251018 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 436.93 | USD | 20251018 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 436.93 | USD | 20251018 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 436.93 | USD | 20251018 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 436.93 | USD | 20251018 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1043.0 | USD | 20251018 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 422.84 | USD | 20251018 |