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China Mini Medical Oxygen Plant factory Hangzhou Azbel Technology Co., Ltd. Hangzhou Azbel Co., Ltd. is located in Tonglu County, Hangzhou City, one of the most beautiful county towns in China. It has a fully automatic casting production workshop maximum production efficiency, output and profit, and reduce installation and maintenance costs while improving process quality. Our Partnership Our CertificateChina Mini Medical Oxygen Plant factory website:http://www.azbeltech.com/