China Oxygen Gas Cylinder China Oxygen Gas Cylinder Plant manufacturers 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 with an annual casting of more than 3,000 tons of stainless steel. There are more than 20 engineering and technical personnel, including 8...
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