For our initiatory judgment, either solenoid valve or angle seat valve has problem. Here is a testing and solution summary.1. solenoid valve: you need two people together to check, one person in the console control switch, the other person to check in the boot or close, the state of the solenoid valve.A:The indicator light of solenoid valve is on in the closed state, it shows it is the bad one. Pu...

30% by T/T as advance payment and 70% by T/T after customers' inspection on site and before the shipment.

Fourteen months.