Product Introduction and Main Clients
Large high-end castings which are researched and developed by our company are widely used in heavy industrial equipment, mining experiment, smelting iron and steel mould, machine tool and other various industries. NHI supplied successively accessories for Shanghai Bao Steel Co., Ltd., Qiqihar Machine Tool Co., Ltd., Changchun Chao Yang Experimental Instrument Factory, Dalian Hua Rui Heavy Industry Group Co., Ltd., etc. Our company has following main products: heavy section ductile iron castings, large cast irons with unit weight of over 20 tons, high alloy cast irons(including wear-resistant, corrosion-resistant, pressure-resistant, low temperature resistance, high temperature resistance).
Product Technology Advantage and Achievement
Relying on iron and steel research institute's technical support, our company gives full play to the advantage of after-integrated equipment. In the field of manufacturing large section nodular cast iron, the products of our company reach maximum thickness of 800mm and maximum unit weight of 50 tons, standing in leading level of the industry; the lowest temperature of low temperature-resistant castings reaches -196℃, standing in the domestic-leading level; maximum working pressure of pressure-resistant castings reaches 20MPa, far ahead of peers; unit weight of the largest casting produced is 200 tons.