Hanwei Energy Services Corp. manufactures and sells high pressure fiberglass reinforced plastic (FRP) pipes for the oil and gas, water transmission and salt mining industries, and owns oil and gas production assets located in Alberta, Canada. The Company has two segments: pipe business, and oil and gas business. The pipe segment produces and sells FRP pipe for the oil, gas and water transmission and other industrial and infrastructure applications. The oil and gas segment is engaged in exploration and production of oil and natural gas in Western Canada. Its subsidiaries include Daqing Harvest Longwall High Pressure FRP Pipe Co., Ltd., Beijing Long Road Technology Development Co., Ltd., Daqing Deta Electric Co., Ltd., Hanwei Energy Services Tyumen Ltd., HESC Energy Corporation and HESC Energy Limited Partnership.