Flip and slide: Tests involve assessing the lifespan of the sliding/flipping mechanism of the handsets. JP/Hyginus HardoyoNokia China opened its doors and factory in Beijing early this month to a group of journalists from Southeast Asia. For the first time in its decade of operations, the company gave its guests a chance to have a close look at and interact with its testing center, design studio and manufacturing process. That Nokia is a leading company producing quality mobile phones is something just about everybody already knows. But knowledge of the details of just how each Nokia device is made and tested is possibly less widespread. A brief visit to the company, following a rare invitation to journalists, gave a chance to see a series of its processes, from its stringent testing and creative design to seamless manufacturing. On arrival at the building compound, ...