| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai Yongkun | Purified Water | MT | 500.88 | USD | 20251121 |
| Shanghai Yongkun | Purified Water | MT | 500.67 | USD | 20251120 |
| Shanghai Yongkun | Purified Water | MT | 507.72 | USD | 20251120 |
| Shanghai Yongkun | 1000 VOCs | MT | 1226.99 | USD | 20251120 |
| Shanghai Yongkun | 1000 VOCs | MT | 1212.89 | USD | 20251120 |
| Shanghai Yongkun | 1000 VOCs | MT | 1198.79 | USD | 20251120 |