Jiangyin JiXi Standard Component Co., Ltd . The factory mainly produces various standard parts that conform to the Chinese, American, Germany, British and ISO standards, etc.The specifications cover M3-M24 hex nuts, M5-M48 hexagon cap bolts, M3-M24 step face, M8 and below machine screws, M6-36 socket head cap bolts, flange edge bolts and nuts, standard parts for bicycles and household applicances, various non-standard parts and various high-strength large-size machine-made and warm upset bolts and nuts.