Introduction CEO's Greetings History Location Agencies R & D New Product For Shoes For Sewing Quality Control Technical Laboratory Main Laboratory Mail to Admin Product List Needle Structure Symbol of main structure Explanation for symbol POINT Round Point Leather Point Equivalent System Equivalent Size Thread Properties Thread & Needle Packing Point Ball Point Leather Point Position of Leather Point Round Point Needle Quality Chromium Plate Super-finished Needles for Synthetic Fibers Blending Test Device Heat Treatment Deep Cooling Needle Breakage Needle Standard Needle Count Needle Heating Needle Size Shank Needle Wire Needle Form Curved Blade Flattening Grooves Supplementary Shoulder Scarf Method of Sewing Knitted Fabrics Sewing Seam Puckering Sewing of Elastic Material Sewing of Leather Sewing of Woven and Knitted Synthetic Fabrics Stitch Skipping Thread Breakage Threading Direction Heat Resistance Temperature