Duwako Precision Engineering b.v.

DUWACO has Show room in Holland and factory in China for visiting. DUWACO provides heat pump water heaters, Air Ventilators, Air Conditioner, Multi tank with hot water and air conditioning functions... For example, we supply 3 kinds of all in one air conditioner. 1: with CO2 sensor, this kind of heat pump air conditioner uses heat energy from the air to cool, to heat, or to ventilate at the same time. It can save a lot of electric energy, 2: heat pump water/air conditioner. COP is 5. 3:new product: The AIO Multi Tanks: Cooling; Heating; Hot water. For now, Freight: freight of samples will be charged first and balanced in former orders. Thank you.