Mingyi Intelligent Equipment ( Tianjin) Co., Ltd. is a leading producer that integrates the research, design and customized development, production and sales services of dished head valves, flanges, manholes, storage tanks . We has been manufactured and exported in mechicnal products for more than 20 years, various types of products are made in different materials grades like Carbon Steel,Stainless Steel, Duplex, Super Duplex, Aluminum, Nickel and Nickel Alloys, Copper and Copper Alloys, Titanium.