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about nantong dongchen heavy duty machine tool co., ltd. is a modern machine tool enterprise integrating r&d, production and sales of plate rolling machines, shearing machines and bending machines. its main products include: plate rolling machines, three-roll rolling machines, cnc rolling machines, four-roll rolling machines, hydraulic plate rolling machines, hydraulic plate shearing machines, bending machines and various supporting parts. we sincerely welcome new and old customers from all walks of life. 2 template page file... 10 people