Corolla wine is a specialty of Juye County, Heze City, Shandong Province. In addition to the characteristics of Luzhou-flavor liquor, "Huaguan" brand liquor has the characteristics of "rich cellar aroma, harmonious aroma, sweetness and cleanness", it also has the unique style of "elegant and mellow, multi-grain flavor and full body".

Corolla Group Co., Ltd. was founded in 1971. It is a large-scale enterprise group that mainly produces and operates liquor, and integrates packaging, printing, fruit wine, beverages, etc. It is an ISO9001:2000 international quality system certification unit. . The leading product "Huaguan" brand series liquor is a strong-flavor, high-quality pure grain liquor carefully prepared using sorghum, wheat, barley, peas and glutinous rice as raw materials, using a combination of traditional technology and high technology. In addition to the characteristics of Luzhou-flavor liquor, which are "rich cellar aroma, harmonious aroma, pure and sweet", the product also has the unique style of "elegant cellar aroma, multi-grain flavor and full body". At present, the products have formed four series and more than 30 varieties. The Corolla series products have been rated as "Famous Brand Products of Shandong Province", "Inspection-free Products of Shandong Province" and "Trustworthy Products of Consumers of Shandong Province" for consecutive years. The Corolla trademark has been recognized as "China Well-known trademark". In 2005, Huazhiguan Liquor was rated as "National Luzhou-flavor Liquor Quality Product" at the National Liquor Quality Appraisal Conference. The products have gone beyond the local market and are exported to markets outside the province such as Shanghai, Guangdong, Henan, Tianjin, and Ningxia, and are favored by consumers.