Black Pie Yappy is a brand under Wangwang Group and is a snow cake brand that sells best in the domestic market. Wangwang Company's business can be traced back to Taiwan Yilan Food Industry Co., Ltd.

Wangwang's business can be traced back to Taiwan Yilan Food Industry Co., Ltd. Wangwang officially invested in the mainland market in 1992. It is a company that registered trademarks in the mainland and owns registered trademarks in Taiwan. It established a factory in Hunan in 1994. Wangwang adheres to the business philosophy of "fate, self-confidence, great unity" and is determined to become "comprehensive consumption". Food Kingdom.”