Thick-walled EPP Insulated ventilation ducts
Oval- and 75 mm Round system ducts
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The company was founded in 1932 in Groningen as M&G, still its present hometown, by two plumbers who started up the manufacturing of the fitting products they needed for their own installation work. Soon they further developed this part of their business and started to sell the products to other installers through wholesalers in the Netherlands.
From the late fifties on they separated the installation business and concentrated on the manufacturing of installation and building products.