Xi'an HL is a professional company of solid control equipment manufacturer, has a long developed in Xi'an, with its high quality and considered service, got its popularity at home and abroad. It is located in Xi'an Huxian Feng Jing Industrial Park, Covers an area of over 20000 square meters, the total assets of more than 30 million RMB. and Xi'an university of petroleum established a long-term technical research and development cooperation mechanism.