3)I do not know i should choose colo-800D series or colo-660 series?
I do not know i should choose colo-800D series or colo-660 series?
From our testing results and feedbacks from user,this model both do good job in different shapes
Coating ,through the colo-660 with extra pulse powder function,but the coating quality it is
Mostly up to the ua and kv matching,so the coating quality it is similar, in USA colo-660 more popular but in other market colo-800 more popular,in other words this is not big different models,you can choose anyone as you like.