| Vendor | Spec | Unit | Price | Currency | Date |
| Yibin Tianyuan Group Co., Ltd. | China national standards | MT | 2257.78 | USD | 20251111 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 2201.34 | USD | 20251111 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1862.67 | USD | 20251111 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 2201.34 | USD | 20251111 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 2258.1 | USD | 20251110 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 2201.65 | USD | 20251110 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1862.93 | USD | 20251110 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 2201.65 | USD | 20251110 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1863.46 | USD | 20251109 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 2258.74 | USD | 20251107 |