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MMD are designers and manufacturers of material processing equipment used in many types of surface and underground mining operations the world over. In particular the company has extended the technology of mineral reduction by the development of low profile, high capacity, compact sizing machines.

A Privately owned group established in 1978 by Alan Potts ably assisted by a small nucleus of committed individuals, MMD is now a worldwide organisation with sales and servicing on six continents.


The company, established in 1964 in an area with a deeply-rooted industrial tradition, is dedicated to the production of high-quality gate, globe, check, angle, plug and ball valves in a wide variety of materials, such as carbon steel, low alloys, stainless steel and special alloys (monel, duplex, alloy 20, inconel, incoloy, etc.). Poyam valves are designed and manufactured to withstand the extreme working conditions to which they are exposed in the most highly-specialized markets, such as gas, oil, onshore/offshore petro-chemical , aluminium refining, power plants etc.

AAF International traces its roots to Bill Reed, a skilled engineer and clever entrepreneur who recognized in 1921 that cleaning the air was critical to the growth of society, the development of technology, and the protection of human health. He developed the Reed Air Filter which represented the initial step in building an international company that globally dominates the air filtration industry – AAF International.

AAF offers the most comprehensive global manufacturing capabilities in the air filtration industry, and each facility is specifically designed to manufacture and test the most complex clean air solutions. Additionally, each facility manufactures to the appropriate international quality and performance standards. Our goal is excellence in each product we make. Our corporate quality policy best states the AAF commitment: Customer satisfaction and continuous improvement are our highest priorities. Product quality cannot, and will not, be compromised.

Cn Gpower Gearbox Co., Ltd is one of the members of China Shipbuilding Industry Corporation and specializes in the development and production of high-precision case-hardened gears and gearboxes, couplings & dampers and complete sets of equipment, including: speed-up gearbox, yaw drive and pitch drive for wind turbine generator system, marine gearbox, building material gearbox, metallurgy gearbox, gearbox for firepower and nuclear power generator, rail transit gearbox, engineering machinery gearbox, offshore lifting systems and auto gears. The company was founded in 1966 and covers a total area of 800,000 m2. Its total number of employee is about 3,000, among them are 769 professional technicians, 10 professor-level senior engineers, as well as 12 enjoying State Council Allowance. 4 persons are elected into 511 Talents Project of National Defense Science and Technology Industry, and 2 are honoured with experts of outstanding contribution in China Gear Industry.