| Vendor | Spec | Unit | Price | Currency | Date |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 2200.25 | USD | 20251105 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2257.18 | USD | 20251104 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 2200.75 | USD | 20251104 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1862.17 | USD | 20251104 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 2200.75 | USD | 20251104 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 2257.75 | USD | 20251103 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 2201.31 | USD | 20251103 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1862.64 | USD | 20251103 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 2201.31 | USD | 20251103 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1862.3 | USD | 20251102 |