DGYF-S500A Manual Induction Sealing Machine induction sealer,manual induction sealing machine ,induction sealing machine ,Induction Cap Sealing Machine,induction sealer machine,heat induction sealer ChinaCoal02 Introduction:The DGYF-S500A Manual Induction Sealing Machine utilize electronic magnetic induction principle to bring instant high heat to melt aluminum foil for adhering to the bung hole, reaching the aim of wet-proof, leakage-proof, mildew-proof and prolong shelf time.