I'm helping my friend to check the place where is selling portable oxygen concentrator. She needs to buy it for her daughter. In fact, I'm not very sure what the usage of portable oxygen concentrator is. I was first time heard about this product. I should say that I am very lucky because I and person around me don't need this kind of products. I still ask around other friends to check out what is the actual usage of oxygen concentrator and more information about the supplier. I have to make sure I get the best supplier for my friend before recommend to her.
Thursday, July 26, 2007
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