1,Microcrystal Glass Faceplate 2,High Quality Crystal Plate 3,Stainless Steel Suitable for factory, school, restaurant ... design, high-grade durable, easy to clean,Durable: 430 durable stainless steel strip flanging stamping cauldron;Advanced technology:technology ... ). The output power can be adjusted flexibly;Advance: advanced microcomputer control system, has no pot detection and overtemperature ...