1. bolts 2.hexagon head bolt, bolts for automobile 3.passed ISO 9001,ISO Ts16949 4.color, ... diameter,length according to request 1. bolts2.hexagon head bolt, bolts for automobile3.passed ISO 9001,ISO Ts169494.color,diameter,length ... according to request bolts(hexagon head bolt,stud)We are majoring in producing the ...