| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1293.57 | USD | 20250528 |
| Dongguan Canyu Chemical Co., Ltd. | N220 | MT | 1057.38 | USD | 20250527 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1294.67 | USD | 20250526 |
| Shandong Junfeng New Materials Co., Ltd. | N220 | MT | 974.48 | USD | 20250526 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1293.41 | USD | 20250522 |
| Shandong Junfeng New Materials Co., Ltd. | N220 | MT | 973.53 | USD | 20250522 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1292.8 | USD | 20250521 |
| Shandong Junfeng New Materials Co., Ltd. | N220 | MT | 973.07 | USD | 20250521 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1292.8 | USD | 20250521 |
| Shandong Junfeng New Materials Co., Ltd. | N220 | MT | 973.07 | USD | 20250521 |