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Beijing Haolifa Group is a professional enterprise which is specialized in the R&D of high performance valves,and is comprised by Beijing Haolifa Manufacturing Co.Ltd.,Beijing Shan erpipes Control Compoments Co.,Ltd., Beijing Dayu Haoli Technology Co.Ltd. Taking modern high performance valve as its main products, Haolifa Group has the ability of independent exploitation, design of valves and other related equipment and production lines. it is a high tech enterprise which is integrated with technology, manuf...
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