Great Tung technology (Hongkong) Co., Ltd was established since 2001 .
We are specialized in manufacturing of Green&Environmental Electrical home appliance .We also produce CPU&VGA cooler , home appliance cooler and DC Brushless fans .
We are ISO9001 :2008 certified manufacturer with factory in Dongguan of Guangddong province China and occupying total area of 22000 square meters .
The product development , mould making , plastic injection and product assembly are all done in our factory .We have successful worked with famous brand partners like : Wal-Mart , Delta, Oster , Foxconn , American pirate ship , Lenovo etc in the past ten years.

Core business of Great Tung Technology inculded Great &Environmental products , like Dehumidifiers , Wine chiller /warmer , Refrigerator , Thermoelectric cooler bags and CPU/VGA cooler , Electronic home appliance cooler .
In order to meet the requirement of the domestic market , its own brand " coolwhist " registered and formally entered the domestic market in 2009 .At the same time , in order to meet the needs of foreign markets and better customer service .Great Tung technology (Shenzhen) Co., Ltd established in 2009 .

We respond promptly to ever-changing market situation , new products tend customer feed and should take every measure to work out a Win-Win proposal or fulfill our customer request.