Yantai Keda Heavy Industry ,Auto Group is specialized in all types of materials pipe fittings,flanges,piping processing,and provides precision casting (carbon and alloy steels),and high-temperature alloy centrifugal casting tubes,centrifugal casting pipe with large caliber and large static castings.<br /> Main products as : carbon steel,alloy steel,austenitic stainless steel,duplex stainless steel,super duplex stainless steel,Hastelloy,copper alloys,titanium,aluminum,composites,zirconium and other materials of all kinds if butt welding,socket welding,threaded series of elbows,tees,reducers,pipe caps,flange,fittings,and plant extension products of the four pipes,fittings manufacturing processing,the production of more than 4 million tons,the most complete product specifications(DN15-DN3000),according to various criteria in addition to production,but also by providing the drawings.And investment castings,centrifugal casting tubes centrifugal casting pipe with large caliber and large static casting(the minimum diameter of centrifugal casting pipe up to OD56mm,maximum diameter up to OD2400 mm,and the weight of single static casting up to 45kg).including cracking furnace tubes,reburner tubes,CAL(CGL) furnace rollers and radiant tubes,glass conveyor rollers,heat-resistant and wear resistant castings for such industries as petrochemical industry ,metallurgy,glass industry,heat treatment industry,a large number of products sold and used in petroleum,chemical,marine engineering,shipbuilding,textiles,paper,power,metallurgy,food,machinery,pharmaceuticals,construction,gas,nuclear power and other industries.Based on the existing oil and petrochemical companies in the shipbuilding industry