i am hu deqiang working as a sells of oxygen plant which producted by our own factory ISO 9001:2000 .the capacity range from 80m3 per hour to 10000m3 also lox pant with lowwer pressour .the brand name is “cando” oxygen plant. pls see ***** get a concept. u want buy one and the detail should let me know.then i can quote u. I want do some business with you, I am working for exporter at the factury name candogas with maufactury air separation plant for mainland china.now our business is going to oversea market .