× Nails Must be flat and they must not have curves.
× Stud rod axis must be exactly in the center.
× The tip of the nail should be sharp and the angle should be about 60 degrees.
× The diameter of the nail should be at least twice the diameter of the rod.
× Nails must be fully paid with no rust, cracks or redundant bumps .
× Nails should have no burr at their tips.
× Net weight or number listed on the carton packaging is exactly in accordance with its contents.
× Diameter tolerances and length of the nails should be determined in accordance with the standards.
× Tensile and bending the nail on the use of raw materials is in accordance with conventional standards.