... heat-up and quickly lost-heat recover.4.Auto shut-off after one hour for 60Hz-110V/72 minutes for 50Hz ... 2.Owned tooling shop and moulding factory3.Reliable and strict quality control system4.International Certificate Standard (ETL/CET, GS, CE, ROHS ... , REACH)5.Reasonably priced, quality assurance, Express delivery 6.Pre-sale and after-sale service7 ...