Yongxing Huangpi is a geographical indication certification trademark. Yongxing Huangpi is an agricultural product with geographical indication.

Yongxing Town, Haikou is one of the origins of yellow bark in the world. Its wild yellow bark forest has grown for a long time and is one of the world's yellow bark germplasm resource gene banks. Yongxing vigorously develops the yellow peel industry, selects excellent varieties from wild yellow peel forests for grafting improvement, domestication and cultivation, continuously improves the quality of seedless yellow peel, large and small chicken heart yellow peel, gradually expands the planting scale, and cultivates the world's unique Some local yellow-skinned varieties truly make Haikou Yongxing Huangpi's "one-of-a-kind, one-of-a-kind", and also allow the fragrance of Yongxing Huangpi to spread throughout Qiongdao. In 2016, Yongxing Huangpi obtained the registered trademark of national geographical indication agricultural products.

Yongxing Seedless Yellow Skin: There is no core in the pulp. Take a light bite and you will find full of tender and smooth pulp, juicy and sweet, refreshing and slightly sour.

Yongxing Big Chicken Heart: The fruit is in the shape of a chicken heart. The fruit is large and has thick skin. The skin is waxy and shiny, and the flesh is firm in texture. It tastes sweet and slightly sour, with a unique honey aroma.

Yongxing chicken heart: larger chicken heart with yellow skin, small chicken heart with yellow skin, smaller fruit shape, higher edible rate, yellow-white flesh, sweet and sour flavor, good sweetness and taste, high quality Superior.

The geographical indication protection area for Yongxing Huangpi agricultural products covers the entire Yongxing Town. Yongxing Town is located in the southwest of Haikou City. It is connected to Haixiu and Chengxi Town in the north, Longqiao and Longquan Town in the east, and Longquan Town in the south. It connects to Zuntan and Dongshan Town, and connects to Shishan Town in the west. The geographical coordinates are: 19°17′24″～19°52′28″ north latitude, 110°12′43″～110°18′35″ east longitude. The area involves 8 village committees and 1 neighborhood committee in the town (Yongxing Xu Community Neighborhood Committee), 79 natural villages, 75 villager groups, and a regional protection area of ??112 square kilometers. The planting area of ??Yongxing Huangpi is about 13,000 acres.