At present, the production methods of crystal laser engraving method, double legal, grinding method, grinding-free method. Of laser engraving law due to the expensive equipment can not produce color photographs that are unsuitable for personalized crystal products, only bigger quantities of the popular Crystal Crafts; dual legitimate method of making two identical crystals bonded together, grinding method Monolithic Crystal add a sheet manufacturing method for Free Polished method is directly monolithic crystal made faster production time. Mature technology, the most popular is the free grinding method. Crystal imaging technology developed by the Chengdu-Kay Crystal sheet polishing technology the crystal polished-free coating technology, crystal video production translucent technology, crystal video production technology and white, it has a clear pattern, crystal clear, elegant and beautiful characteristics, by people from all walks of all ages. The Chengdu Long Kay Century Technology Co., Ltd. has been committed to product development and production of personalized digital imaging industry, continue to introduce new products, to provide you with personalized digital imaging overall solution, to continually tap and create customer value. Long Kay Century Technology is looking forward to cooperating with you. For more details, please contact: http://www.loongcome.com address: Chengdu Chenghua the Jing Zhunan Street 266 Tel: 15982867869 Wang QQ: 1327053041 1277156236