Hand technicians pick up a crystal ball containing a bubble at one end of a long steel pipe, turn it, blow it into shape, and then go through a series of hand-made procedures such as cutting, polishing and so on, a crystal glass can be finally formed. And not every hard work is a success. According to the report, about every 50 crystal balls, that is, every 50 times the technician plays the exquisite technique to make a perfect handmade crystal wine glass.