DGYF-S500D electromagnetic induction capper is mainly suitable for capping operation of nonmetal bottleneck (e.g. plastic, glass etc.) with handle (such as engine oil bottle etc.). But not suitable for capping operation of metal & non-threaded cap or High-shaped bottle cap with voids, bottleneck, or cap with the diameter < φ20mm or > φ60mm. it is specially suitable for customers who carrying out non-continuous capping operation for small output & lot.