Reflective Glass in China A Trend of Innovation and Sustainability
The age of Enlightenment, the slide show was born. Slideshows can be a form of dramatic entertainment that some find terrifying, but others find hopeful - depending on how people choose to watch it.
The glass can be hot-cast, saving material and labor cost. Crystal is a crystal, can not be reversed after heating melting, so can not use hot casting method, can only use cold processing method such as cutting grinding. Cost of materials, labor, high cost.