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Hilong Holding Limited is a leading PRC-based integrated oilfield equipment manufacturer and service provider with a market leadership position in the fields of drill pipes, line pipe and OCTG coatings and oilfield services. It is China's largest and the world's second largest supplier of drill pipes and OCTG coatings, and a key supplier of line pipe coating materials in China. The Group has built up a diversified business framework and expanded its business to the offshore engineering services. Hilong follows the business philosophy of integrating products together with services and strives to become a top service provider with strong support from its high-end equipment.