Manufacturing and Sales: Steel piping, high, medium and low-pressure pipe fittings, flanges, factory-assembled high-pressure pipeline systems, abrasion-resistant piping, plastic-lined anticorrosive piping, insulated piping, suspension brackets, compensators, precision casting, concrete pump accessories and mechanical conveying systems, fluorine-lined and rubber-lined piping, fluorine-lined and rubber-lined plastic equipment, reaction vessels, plastic-coated steel pipes, hot-dipped galvanized wire conduit, fire-resistant plastic pipes; Undertaking: waterproofing projects for construction, anticorrosive and insulated engineering, pipeline installation projects; import and export business of goods and technology. (As required by laws and regulations, the company may operate within the scope of its business license.)