shen lei co2 laser tube f-1750 is a good product

characteristic: a series products featured as compact size and good model (base film output, facula 3-5mm). it's suitable for laser marking, laser engraving,handicraft carving. characteristic: f series products featured as compact size and high power rate (max power 185w). it's suitable for laser cutting in the field of organic material, plastic &leather, cloth, wood, display screen,glass. characteristic: z series middle power co2 laser tube made with latest technology featured as better stability and higer output power. it's suitable for processing of thick acrylic sheet, wood, high density board, plastic and metal plate..syi