The Hong Kong Metals Manufacturers Association (HKMMA) is a non-profit-making trade association which currently has more than 600 member companies. HKMMA aims to enhance the association among members of metal manufacturing industry, upgrade the production techniques and management capability, and also strengthen the market competitiveness of the industry as a whole.

In order to facilitate communications and technological interchange among member companies, HKMMA regularly organizes study missions, factory visits, seminars and members' participation in related exhibitions. Besides, HKMMA also publishes periodical publications and operates the association website. Moreover, HKMMA has been keeping in close contacts and maintaining good co-operation relationships with other trade and industrial organizations, professional bodies and related government departments in Hong Kong, the mainland and overseas, so as to voice out industry's concerns and opinions, and seek any necessary support for the development of metals manufacturing industry.