Heilongjiang Zhengyanglou Food Co., Ltd. was founded in 1910 by Song Huanchen and Wang Xiaoting. The brand has a history of a hundred years. The first air-dried intestine in Harbin is derived from Zhengyanglou Food.

Zhengyanglou Food covers an area of ​​50,000 square meters and is a meat product manufacturer that combines Chinese and European styles. The company has mechanized livestock slaughtering production lines and more than 20 sets of meat products production equipment in Germany, Japan and other countries, and its production process level and production scale rank among the forefront in the industry. The products mainly include more than 20 varieties including air-dried sausage, pine nut belly, red sausage, children's intestines, pinejiang intestines, elbow flower intestines, Luohan belly, meat sausage, egg rolls, meat patties, barbecue, and dried sausages.

As of May 6, 2015, the company had more than 100 sales outlets, and its products covered more than 50 other provinces, cities and counties in the province. The exclusive counter includes more than 40 major commercial areas such as Ha Yibai, Daoli Vegetable Market, Fendou Rice, Qiulin Company, and Central Mall. There are more than 40 self-operated stores. Zhengyang Building has established good customer relationships with hotels, hotel enterprises and institutions.

The meat products produced by the company have unique formulas, exquisite materials, fine workmanship, and authentic traditional Chinese products. There is the Emperor in the south and the dry intestines in the north, and enjoy a high reputation at home and abroad.