| Vendor | Spec | Unit | Price | Currency | Date | 
| Shandong Yushuo Chemical Co., Ltd. | 90% | MT | 534.85 | USD | 20251010 | 
| Shandong Yushuo Chemical Co., Ltd. | 90% | MT | 464.47 | USD | 20251010 | 
| Shandong Yushuo Chemical Co., Ltd. | 90% | MT | 464.12 | USD | 20251009 | 
| Shandong Yushuo Chemical Co., Ltd. | 90% | MT | 534.44 | USD | 20251009 | 
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 407.86 | USD | 20251009 | 
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 407.86 | USD | 20251009 | 
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 407.86 | USD | 20251009 | 
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 407.86 | USD | 20251009 | 
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 408.13 | USD | 20250930 | 
| Shandong Yushuo Chemical Co., Ltd. | 90% | MT | 534.8 | USD | 20250930 |