Hangzhou Junqiang Machinery Maufacturing Co., Ltd. is located in Hangzhou City, Zhejiang Province. We are a professional manufacturer of fin-tube-rolling. We attained ISO9001: 2000 quality management system certification. Now, our company can produce specifications for a variety of finned tubes or fin coils, including metal single-fin-tubes (copper, copper alloy, aluminum, aluminum alloy), two-metal composite fin-tubes, single-metal copper and copper alloy finned tubes with the unilateral fin shape up to a height of 10-12mm.

Our Products of finned tubes feature no contact resistance, and good heat transfer performance. The capability of anti-pressure, anti-high temperature and anti-vibration is very prominent. Our finned tubes are used in a wide range of industries, such as chemical and power generation, purification, cooler, food industry, shipbuilding industry, water heater and waste heat recovery industry and central air-conditioning industry. We are a long-term supplier for Hangzhou oxygen group. We build up Cooperative relationships with some companies in Germany, the Netherlands and the USA.

In 2003, we started developing the product. In early 2004, we have successfully developed it. After Hangzhou Oxygen Group's testing, they were use in high-volume in 2005. We have also applied for two patents.