中航重机：公司主要从事锻铸、液压环控等业务

Core Viewpoint - The company, AVIC Heavy Machinery (中航重机), is primarily engaged in forging and hydraulic ring control businesses, serving various industries including aviation, aerospace, power, and shipping [1] Group 1: Business Segments - The forging business involves domestic and international clients, supplying engine forgings to companies like GE, Rolls-Royce, IHI, and ITP, as well as aircraft forgings for Boeing and Airbus [1] - The hydraulic ring control business consists of hydraulic and heat exchanger products, widely used in aviation, aerospace, and construction machinery [1] Group 2: Market Reach - The company's civilian heat exchanger products are exported to Europe and the United States, with major clients including Atlas Copco, GE, and Philips [1]