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Beijing Rongrui-Century Scie. & Tech. Co., Ltd

Free member Since 2013

Beijing, China

As we all know, the CPAP tubing is a critical component of CPAP therapy and need change regularly, generally, most of the CPAP manufacture suggest change the tube for 3~6 months. We could make the large profit on the small component. I'd like to...

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georgewu ( Beijing Rongrui-Century Scie. & Tech. Co., Ltd )
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