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    Beijing Gaoxin Huakang  
Technology Co.,  Ltd. Was  
established in March 2000, is 
China鈥檚 high-tech investment 
group to create high-tech 
enterprises. The company as 
a professional oxygen  
concentrator manufacturers,
has a history of nearly 17 
years....
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The day people stop bringing you their problems is the day you have stopped leading them - Colin Powell, U.S. Secretary of State