Wellen is the most specialized manufacturer of thermoelectric products in China.

We can always provide you the top-qualified products with most competitive prices in China.

Various of high quality of thermoelectric cooling modules. 
Thermoelectric cooling assemblies. 
Heat pipe, heat sink,fan for thermoelectric cooling assemblies. 
High purity of Te, Bi, Se, Sb. 
Various of high quality of thermoelectric generating modules.