| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 2202.05 | USD | 20251029 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2258.52 | USD | 20251029 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1863.28 | USD | 20251029 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 2202.05 | USD | 20251029 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 2201.65 | USD | 20251028 |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2258.1 | USD | 20251028 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1862.93 | USD | 20251028 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 2201.65 | USD | 20251028 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 2201.65 | USD | 20251028 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 2200.87 | USD | 20251027 |