Foshan APT can help you customized the heat exchanger you want .
First ,we need to know the type of heat exchanger you want . There are so many types of heat exchangers , and the widely used heat exchanger is , for example , tube type heat exchanger ,plate heat exchanger , finned tube heat exchanger ,etc..
Then ,what kind of material would you want . The material would depends on the working condition ，like the liquid , and the liquid temperature , the target temperature you want.
And the refrigeration unit it would install to.