| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinquanjin Economy & Trade Co., Ltd. | China national standards | MT | 1899.94 | USD | 20251004 |
| Jinan Jinquanjin Economy & Trade Co., Ltd. | N220 | MT | 253.32 | USD | 20251004 |
| Shanxi Hengxin Chemical Co., Ltd. | N220 | MT | 1210.33 | USD | 20251003 |
| Shanxi Hengxin Chemical Co., Ltd. | N220 | MT | 1210.33 | USD | 20251002 |
| Shanxi Hengxin Chemical Co., Ltd. | N220 | MT | 1210.33 | USD | 20251001 |
| Jinan Jinquanjin Economy & Trade Co., Ltd. | N220 | MT | 253.32 | USD | 20250930 |
| Jinan Jinquanjin Economy & Trade Co., Ltd. | 600 mesh | MT | 239.25 | USD | 20250930 |
| Shanxi Hengxin Chemical Co., Ltd. | N220 | MT | 1210.33 | USD | 20250930 |
| Hebei Shibei Rubber Technology Development Co., Ltd. | N220 | MT | 1055.52 | USD | 20250930 |
| Shanxi Hengxin Chemical Co., Ltd. | N220 | MT | 1013.3 | USD | 20250930 |