Huang Longyu is good for the human body; Huang Longyu jade is exquisite in texture and bright in color, with a hardness of 7. Jade is crystal clear, which makes you feel warm, greasy and comfortable. It can be appreciated as a complete stone, ornamental stone and sculpture. Handicrafts that can be hung on your body and held in your hand have small space and are easy to store. Huanglongyu can be auspicious to wear, rich in family decoration, and can protect Ping 'an Town House from evil spirits. Because yellow is the main color, and yellow is a rich color, which has the function of making a fortune.