Q1. What is the maximum speed? A1. 5000z/min Q2. sewing fabric? A2. thick, thin, medium, whatever Q3. Features A3. Automatic thread trimming, automatic needle positioning, automatic reverse sewing, automatic reinforcement, automatic fixed stitch number, automatic needle supplement, electronic thread clampingQ4.packaging and weight A4. The time for automatic egg turning is once every 90 minutes. If you have other questions, you can leave me a message.
