Zhejiang AMA & Hien Technology Co., Ltd. is a state high-tech enterprise incorporated in 1992. It began to enter the air source heat pump industry in 2000, registered capital of 300 million RMB, as a Professional manufacturers of development, design, manufacture, sales and service in the air source heat pump field. Products cover hot water, heating, drying and other fields. The factory covers an area of 30,000 square meters, making it one of the largest air source heat pump production bases in China.

With 30 years of industry expertise, Hien has built a robust infrastructure comprising 15 branches, 5 production bases, and a network of 1,800 strategic partners. Our commitment to excellence was recognized early on, earning the “China Famous Brand” title in 2006, followed by the “Top 10 Leading Brand in China’s Heat Pump Industry” in 2012.

At Hien, we prioritize technological innovation and rigorous quality control. We operate a CNAS-accredited national laboratory and maintain a comprehensive suite of international certifications, including ISO 9001:2015, ISO 14001:2015, ISO 45001:2018, and ISO 50001:2018. As a state-level “Little Giant” enterprise—recognized for being specialized, refined, and innovative—Hien proudly holds over 200 authorized patents.