All over the world have more and more power alternator factory, now I introduce some famous alternator factory to you.
1)Stamford Alternator Factory
2)Lery Somer  Alternator Factory
3)Cummins Alternator Facotry
4)SDMO Alternator Factory

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Stamford Power Systems Limited has highly experienced and qualified personnel with a wealth of background and practical knowledge in the power generation industry world-wide. An in-house U.K.design team gives the ability to offer a diverse range of engine/alternator combinations, control systems ranging from key start to automatic mains failure for standby power systems, and automatic synchronising and paralleling of sets. A full range of additional equipment is also available covering static and trailer mounted sets, weatherproof and acoustic canopies plus ISO containerised sets. Stamford Power Systems Limited is dedicated to providing it’s customers with quality product constructed to the latest industry standards.

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World leader in electric power generation
The Electric Power Generation (EPG) division is the world leader in the manufacture of alternators from 1 kW to 20 MW. It has recognised expertise in all aspects of power generation.
Brands:
The Electric Power Generation division incorporates the following brands: Leroy-Somer (Low, Medium and High Voltage Alternator ranges )and Kato (USA) (Medium and High Voltage Alternator ranges.
Leroy-Somer, a global presence for accessible service
With infrastructures in Europe, the United States, Mexico, China and India, Leroy-Somer is a global partner offering, in addition to total quality, a service dedicated to design offices, genset builders and end users. With 470 commercial subsidiaries and services, Leroy-Somer provides a global service to multinational companies.
Leroy-Somer’s markets:
With its Low, Medium and High Voltage alternator ranges, Leroy-Somer meet the requirements of applications in a variety of business sectors:
Residential, commercial, health, rental, marine, cogeneration, telecommunication, power stations, petrochemicals and wind turbines, etc.

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Cummins Generator Technologies is part of Cummins Inc,. a global power leader, incorporating complementary business units that design, manufacture, distribute and service engines and related technologies, including fuel systems, controls, air handling, filtration, emission solutions, and electrical power generation systems. Cummins, having it’s headquarters in Columbus, Indiana (USA).

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SDMO is recognised as one of the world’s leading generating set manufacturers. Founded in 1966, SDMO is today the 3rd biggest player worldwide in the generating set market: a major success for this group which started out and is still based in Brest, Brittany (France).Today, SDMO comprises three production sites, with an annual output of over 100,000 generating sets.
Combining advanced technology and efficiency
SDMO designs, manufactures and installs generating sets from 1 to 3300 kVA unitary power for its standard range of products thanks to its high-performance production plant which covers some 31000 m² excluding logistics. In addition, SDMO puts its engineering expertise into practise by designing tailor-made power plants. Whatever the power needed or the purpose of the generating set, a commitment to quality is guaranteed by an ISO 9001 certification, ensuring on-time delivery and high-performance for all products.