Jade carving in ancient time is not only a process of craftsmanship, but also a process of dedication to the heaven or god. The craftsman working under the condition of complete concentration and respect. As a result, the design, the carving and polishing are all to the best condition. Nowadays, the workshop making fake jade is working with profit in mind.
Especially working with duplication to the genuine jade, it is impossible to copy one hundred percent.