About Us

Who we are?

1). We were established in 2007.

2).We are a professional heat pump manufacturer,with two production bases. One is Zhongshan Base, the other is Chuzhou Base.

3). We are trading on two brands: YANGZI and Sundez. YANGZI heat pump is the brand we operate in China local market, while Sundez is the brand we operate not only in China but also all over the world.

4). Our company has been inspected and certificated by TUV and SGS.

5). We are the one of the first manufacturers whose heat pumps are with top COP gaining grants from Chinese government.

6). We pass ISO9001 quality management system.

7).Now we are running 2 bases, 3 factories, 2 heat pump laboratories, 6 production lines for heat pumps and 2 workshops for water tanks. We have more than 400 employees.

8). Our testing laboratory can test heat pump up to 60KW heating capacity and create testing air temperature condition during -25DegC~45DegC, according to EN14511 standard.

9). Our leading products: EVI heat pumps, DC inverter heat pumps, high water temperature heat pumps, monobloc house heating heat pumps, domestic hot water heat pumps.



    Zhongshan Base                         

    Chuzhou Base


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