Xixia County is located in the southwest of Henan Province, adjacent to Shaanxi Province in the west and under the jurisdiction of Nanyang City. As a deep mountain county, it has the natural conditions of "eight mountains and one field with water content of 0.7", which not only has the climatic characteristics of the transition from north subtropical zone to warm temperate zone, but also has the climatic differences in warmer areas in winter. Altitude 18 1m to 22 12m, annual average temperature 15. 1℃, relative humidity 69%, annual average precipitation 88 1.6mm ... annual average sunshine 20/kloc-. Therefore, Xixia Lentinus edodes is also well-known at home and abroad and exported to South Korea, Japan, Singapore and other countries. "Happy Mushroom" under Xixia Huiduoli Trading Co., Ltd. is the first registered brand of mushrooms in Xixia, and its "high quality and low price" is deeply loved by consumers.