Jiangsu Huyou Grain & Oil Products Co., Ltd., established in 1986, is a modern integrated baking food enterprise specializing in R&D, production, OEM customization, and independent brand marketing. The company independently develops and produces a variety of Chinese and Western pastries, mooncakes, zongzi (sticky rice dumplings), qingtuan (green rice cakes), eight-treasure rice, and mung bean cakes, among other products. Renowned in the industry for its advanced production techniques, high-quality products, and attentive service system, the company has been dedicated to progress and innovation since 1998, when it began providing OEM mooncake and pastry production services for five-star hotels and food enterprises nationwide.

To date, the company has established strong partnerships with over 300 domestic hotels, restaurants, and food distributors, including renowned brands such as Wufangzhai, Sheraton, Sam’s Club, Hilton, New Century Grand Hotel, Laiyifen, Bestore, Three Squirrels, and Liangpinpu. It is highly regarded in the industry as a professional OEM food production center.

In 2016, the company relocated to its new factory in the Situ Glasses Industrial Park, Danyang, Zhenjiang, Jiangsu Province. The facility covers an area of 60 acres, with a building area of 46,000 square meters, and employs over 500 staff. The company operates 18 chain bakery stores under its brand "Keruizi," along with a central factory. It is equipped with advanced automated production lines for Cantonese-style mooncakes, Suzhou-style mooncakes, and zongzi, achieving a daily production capacity of 1.2 million mooncakes and over 120,000 zongzi.