High-efficient centerless machine tool is one specialization lathe which is used to process steel bar, at present the centerless lathe Q3808A type that is produced by the company of heavy machine tool of Qinghai only in our country.

• 高效棒料光整机是一种专门化机床，目前国内这类机床只有青海重型机床公司生产的Q3808A型无心车床。