... 6, 8 or 12 roller high stiff mill trains of cold rolling. With a history of almost 30 years in professional R ... full production line design.2. Rolling machinery. We may manufacture with fine workmanship 4, 6, 8, 12 rolls high stiff cold rolling mill ... the rolling mills, development of new product, maintenance of the equipments, supply of the spare parts & accessories! Four-roll cold rolling mills