General Project: Manufacturing and selling steel pipes, high and low pressure pipe fittings, flanges, factory-processed high-pressure pipeline components, wear-resistant pipes, lined plastic and anti-corrosion pipes, insulation pipes, supports and hangers, compensators, fasteners, standard parts, sealing gaskets, precision casting, concrete pump accessories and mechanical conveying systems, fluorine-lined, rubber-lined and plastic-lined equipment, reaction vessels, plastic-coated steel pipes, hot-DIP plastic wiring pipes, fireproof plastic-coated pipes, construction equipment leasing for construction waterproofing, anti-corrosion and insulation projects, import and export of goods and technologies, production and sales of transportation facilities, power equipment, cable trays, photovoltaic supports, scaffolding (excluding dangerous goods transportation), and general road freight transportation (excluding dangerous goods)