Chu Kong Petroleum and Natural Gas Steel Pipe Holdings Limited is an investment holding company, and also a manufacturer and exporter of longitudinal welded steel pipes in China. The Company and its subsidiaries are engaged in the manufacturing and selling of welded steel pipes and the provision of related manufacturing services. The Company has four longitudinal submerged arc welded (LSAW) steel pipe production lines and one electric resistance welded (ERW) steel pipe production line. Its subsidiaries include Lessonstart Enterprises Limited, Lucknow Consultants Limited, Crown Central Holdings Limited, Chu Kong Steel Pipe Group Co. Limited, Panyu Chu Kong Steel Pipe Co. Limited, Guangzhou Pearl River Petrol-Fittings Co. Limited and others.