Dongguan Guoling Machinery Co., Ltd., specializes in developing and manufacturing screw/bolt-making machines. The products include 2 Die 3 Blow Parts Former, Heading Machine, Thread Rolling Machine and other processing equipment. The machines are reputable with excellent performance, precision, efficiency, stability and long-term use. Non-clamp 2 Die 3 Blow Parts Cold Heading Machine previously developed by the company was awarded Special Prize of New Superior Products by China General Machine Components Industry Association and Gold Prize in the 16th National Invention Exhibition.

Guoling has obtained the international accreditation of ISO 9001 and Europe CE certification. The machines are competitive in home and also exported to America, Japan, South Korea, Malaysia, Thailand, India, Turkey and so on