"Majiagou" celery originated in Majiagou Village, East and West of Liyuan Sub-district Office, pingdu city City, Shandong Province, and then gradually expanded to Nanguan, Youfang, Xiao Zhuangzi and other villages, with a cultivation area of about 3 mu and a total output of 2, tons. Majiagou celery base "Majiagou" celery [3] is rich in vitamin A, vitamin B2, volatile aromatic oil and other nutrients, which can promote metabolism, reduce cholesterol and stimulate appetite, and is popular among the masses. Majiagou celery is one of the famous local specialties in Qingdao, which has been cultivated for more than 26 years. As early as more than 5 years ago, it was well-known in Beijing, Qingdao and other markets for its yellow stalks, big hollow trees, tender and crisp taste, and exported to Hong Kong, Japan, the United States and other countries and regions, which was deeply loved by consumers. Therefore, the reputation of "brittle glass" has spread all over the northern market, and it has become the most famous local product in pingdu city and the fist product of Pingdu agricultural products to earn foreign exchange. The main characteristics of this product are: yellow-green color, hollow stem, sweet, tender and crisp, high quality, and has many health care functions such as clearing away heat, relieving cough, invigorating stomach, lowering blood pressure, expelling toxin and caring skin. In 23, the State Administration for Industry and Commerce registered the "Majiagou" brand celery trademark.

2. Dazeshan Grape:

Pingdu Dazeshan Grape [5] is known as "Turpan in the west and Dazeshan in the east". In 1989, it registered the trademark of "Dazeshan" and won the title of "China Grape Town" in 1996. It has a long history of grape cultivation, with a grape cultivation area of more than 31, mu. By 25, Dazeshan grape had been upgraded in quality, taste and yield by introducing American red grape, black grape and super seedless grape. Good natural resources and unique ecological environment have created favorable conditions for the high-quality and high-yield cultivation of Dazeshan grapes. There are abundant sunshine, four distinct seasons, abundant rainfall, unique field microclimate and fertile soil conditions, and good water quality that are incomparable elsewhere, thus creating the characteristics and famous brands of Dazeshan grapes with high quality and unique flavor. The reasonable collocation of early, middle and late ripening varieties, the development of facilities cultivation technology and the development of processing and refrigeration enterprises have injected great brand power into the development of Dazeshan grapes, which has increased the time to market from more than three months to nearly ten months. The products are exported to more than 2 provinces, cities and autonomous regions in China, such as Beijing, Shanghai, Guangzhou, Fujian and Northeast China, and some of them have also been exported to Hong Kong and the international market, which has established a good image for Pingdu.