The whole machine is guaranteed for 3 years, and the electrical part is guaranteed for 1 year.

The expenses of visa, air ticket, food and accommodation for the technicians shall be borne by the buyer.

The machine does not include air compressor and gas storage tank.
The machine does not contain humidifier.

A voltage regulator must be added when the voltage is unstable（the machine doesn`t include voltage regulator）.

When the voltage does not match, it needs to be equipped with transformer (the machine doesn`t include transformer).

The installation time of the machine is 5-7 days. There is compulsory mechanical operation training after installation and debugging within 5 day. If training is needed, 80-100usd/day/person (except installation time).