| Vendor | Spec | Unit | Price | Currency | Date |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 796.13 | USD | 20251016 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 796.13 | USD | 20251016 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 1409.09 | USD | 20251016 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 760.91 | USD | 20251016 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 760.91 | USD | 20251016 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1084.58 | USD | 20251015 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 753.57 | USD | 20251015 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 887.39 | USD | 20251015 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 929.64 | USD | 20251015 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 788.79 | USD | 20251015 |