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About product and suppliers:
        Alibaba.com offers 4,091 cool core products. About 2% of these are thermostat, 1% are heat exchanger, and 1% are transformers. 

A wide variety of cool core options are available to you, such as soft, permanent. You can also choose from ferrite magnet, neodymium magnet, and ndfeb magnet. As well as from coil, block. And whether cool core is current, indoor, or high frequency. 

There are 4,122 cool core suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and United Arab Emirates, which supply 98%, 1%, and 1% of cool core respectively. 

Cool core products are most popular in Western Europe, Domestic Market, and North America. 

You can ensure product safety by selecting from certified suppliers, including 732 with ISO9001, 252 with ISO14001, and 229 with Other certification.