Gaogong sweet and sour garlic is a specialty of Gaogong Town, Woyang County, Bozhou City, Anhui Province. Gaogong sweet and sour garlic is clean, hygienic, more nutritious, fresh and crispy, moderately sweet and sour, has a unique taste and endless aftertaste, and can be called "a masterpiece of Chinese cuisine".

The "Gaogong Sweet and Sour Garlic" series of products is a famous specialty of Laozi's hometown - Guoyang, Anhui, with a history of more than 200 years; this product is a unique ancestral secret recipe of the old Zhang family, which has been passed down for many years. Through the continuous innovation and reform of generations, it adopts traditional scientific production technology and is carefully smothered, which has completely changed the pickling of garlic in water; its novel and unique Lao Zhangjiatan Smothered Garlic is cleaner, more hygienic, more nutritious, fresh and crispy. Tender, moderately sweet and sour, with a unique taste and endless aftertaste, it can be called "one of the best Chinese delicacies" and is honored as the "suffocating garlic family" by the world!

The "Gaogong sweet and sour garlic" series of products include Gongchun, five-spice peanuts, Gaogong oil pepper, dried moss, fermented bean curd, mustard shreds, sweet noodle sauce, eight-treasure vegetables and other products, which are sold nationwide All over the country, it has been well received by consumers. The "Gaogong Sweet and Sour Garlic" series has been successfully applied for Anhui famous brand agricultural products, and the "Zhang Shikui" brand trademark has been successfully applied for Anhui Province famous trademark.

In 2011, "Zhang Shikui brand" high-glucose sweet and sour garlic and high-glucosan sugar garlic passed the national green food certification.