The shell button and the resin button are different from each other. The shell buttons are mainly processed through seven steps: shelling, punching, grinding, squeezing, punching, lapping, polishing and bleaching. The mechanical power source for the early production of shell buttons was to drive the rotation of the pulleys by pedaling. Now this is completely replaced by mechanization. For some traditional buttons, semi-manual craftsmanship is still used when making shell buttons so that the shells can be kept. The natural luster and charm. Here's a description of how shell buttons are made: 1 choice shellfish: According to the button size and requirements of different shells, but the utilization of shells is actually not high. 2 Punching: Also called blanking, it refers to making the initial button blank. 3 Polishing: Flatten the button blank on the grinding wheel. 4 button groove: Button the middle part of the button, so that the button has a concave shape. 5 punch: According to different needs to put on different holes, there are generally two and four eyes. For more information, please refer to the purchase information update: China Button Trading Network Man'S Chino Shorts,Mens Chino Summer Shorts,Men Gym Jogger Short,Men'S Multi-Color Casual Shorts Shaoxing Tongbang Textile Co.,Ltd. , https://www.sxtongbangtextile.com