etnice, Separate touch screen? o.O may not be such. It is formed by the display OGS (One Glass Solution) technology, i.e. the protective glass, and the sensor layer crystal is one. Separately, they can not be sold. If you look on the backlight turns off at a steep angle sensors are visible. Here and crawls jamb. Glass should be protected like unto his farm. B)
It is unlikely that there will be Chinese online stores with cash. As an option to look at repair shops. they must have access to the Chinese suppliers