What do yout hink about chinese smartphones?

I want to buy a smartphone at a web page that sells chinese manufactured mobile phones, but i dont know if the cuality es good enough considering the prices they use. this is the site and the model i want to buy: http://www.chinavasion.com/product_info.php/pName/thunder-quadband-dual-sim-wifi-touchscreen-worldphone/ />
what do you tihnk? should i give it a try?