The root circumference of an old pear tree is about 2.5 meters, and only two adults can barely surround it... In the east pear garden of Gongmujang Village, Jinju City, this "King of Pear Trees" has already The tree is over 400 years old. This tree can produce more than 1,500 kilograms of Yali every year. There are more than 2,000 century-old pear trees like this in Kongmuzhuang Village. They also bear witness to the long history of cultivation of Jinju Yali. According to research, Jinzhou Yali has been cultivated for more than 2,000 years. There is still a story among the people that Wei Zheng, a famous minister of the Tang Dynasty, returned to Jinzhou to visit relatives and asked the imperial doctor to use Yali to make pear paste candy. There are also detailed records of Jinzhou Yali in the "Native Products" of "Jinzhou Chronicles", a supplement published by Xianfeng in the Qing Dynasty.

Jinzhou City currently has an area of ??213,000 acres of pear fruit, with an output of 501,400 tons and an annual output value of 703 million yuan. Products are exported to more than 40 countries and regions including the United States, Canada, and the European Union. Although Jinzhou Yali has a long history, it did not have its own trademark brand before. A few decades ago, when Tianjin was the capital of Hebei Province, Jinzhou Yali was called "Tianjin Yali", and later it was renamed "Hebei Yali". , "Jiyu Yali", "Jizhong Yali", etc., but none of them have their own unique geographical indications and no legal trademark registration protection. Now, the "Jinju Yali" geographical indication certification trademark applied by the Jinju City Private Enterprise Association has officially passed the review of the Trademark Office of the State Administration for Industry and Commerce. It marks the unique quality and humanistic characteristics of "Jinju Yali" and natural factors have obtained geographical indication certification trademark registration protection.

Jinzhou City is the nationally named "Hometown of Chinese Yali" and "Top Ten Counties (Cities) in the National Pear Industry". In addition to its long cultivation history and large pear fruit area, its pear fruit quality is also excellent. The fruit of Jinzhou Yali pear is obovate and is named because the fruit stem is shaped like a duck head. It has excellent quality, golden color, jade-like skin, fine pulp, sweet and sour taste, fragrant and juicy. It is known as "crispy when it falls to the ground, no residue after chewing", and has the effects of clearing the lungs, resolving phlegm, moistening dryness and facilitating convenience. , it has an auxiliary therapeutic effect on cough, asthma, hypertension and other diseases, and it can be called the best fruit. It enjoys a high reputation at home and abroad and is known as one of the "three major fruit tyrants".