Hangzhou Junqiang Machinery Maufacturing Co., Ltd. is located in Hangzhou, Zhejiang Province. Junqiang is a professional manufacturer of finned tubes, including extruded finned tubes and compound finned tubes.

We attained ISO9001: 2000 quality management system certification, which means the quality management level has already reached the height to satisfy customers' needs in a sustainable way, and also is an inspiration for further improvement.

Now, Junqiang is able to design and produce a variety of finned tubes according to customer's requirements using different kinds of materials such as copper, copper alloy, aluminum, aluminum alloy, stainless steel, carbon steel, etc.The height of fin, made of copper or copper alloy, can reach 10~12mm; and that, made of aluminum or aluminum alloy, can reach 16mm!

Anti-corrosion, anti-wear, lower contact resistance higher stability and ability against deposition are the features of Junqiang's finned tubes. Besides, the tubes are prominent in anti-pressure, anti-high temperature and anti-vibration tests. 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. And less than a year, we have successfully developed it. After surviving Hangzhou Oxygen Group's extreme tests, the tubes were produced in high-volume in 2005. During this process, we have also applied for two patents, which made us leading this industry in China.