For 30 years, Shengneng has been focusing on making heat pumps
Founded in 1992, Zhejiang AMA & Hien Technology Co., Ltd. is a professional high-tech enterprise integrating the research and development, production, sales and after-sales service of air-energy heat pump. With a registered capital of ￥300 million RMB and total assets of ￥100 million RMB, it is one of the largest professional manufacturers of air-source heat pumps in China, covering a plant area of 30,000 square meters, and its products cover many fields such as domestic hot water, central air conditioners, heating and cooling machines, pool machines and dryers. The company has three own brands(Hien,Ama and Devon) ,two production bases, 23 branches throughout China and more than 3,800 strategic partners.
Feb, 26 2026