GRAND METAL MANUFACTORY (GMM) is a professonal enterprise producing and selling clinching fasteners widely used in the field of computer, electric, telecommunication and lighting devices. Our manufacturing facility is located in Dongguan City close to Hongkong.

GMM is equipped with imported auto-lathes, cold forming machine, automatic tapping machines, automatic optical sorting machine and technical expertise. We also have a complete laboratory for mechanical measurements including torque testing, pull/push-out testing, and reliability testing such as Salt Spray Testing. GMM has been awarded the certification of ISO 9001:2008 quality management system.