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.