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Common nails are manufactured in factories where they undergo a series of processes to produce high-quality nails that meet industry standards. These factories utilize state-of-the-art technology and machinery to ensure precision and efficiency in the production of common nails.

Quality control is an integral part of the production in U-type nail factories. Each stage of manufacturing undergoes rigorous checks to ensure that the nails meet industry standards concerning size, strength, and finish. Factories often employ metallurgists and quality assurance engineers who test the tensile strength and resilience of nails to prevent defects that could compromise their utility.

After drawing, the wire is subjected to a series of quality checks to ensure that it meets the strict standards set by both national and international regulators. This is critical, as the reliability of the wire directly impacts the safety and durability of the final products that utilize the wire. Once approved, the wire undergoes the twisting process, where various machines can create different torsion levels according to the required specifications.