The cultivation base of King Oyster Mushroom is located on the west side of Wansan Road, Wantan Town, Zhongmou County. It is located in Henan Bangyou Agricultural Ecological Cycle Co., Ltd., a leading enterprise in agricultural industrialization in Zhongmou County. It is currently the largest Pleurotus eryngii factory production base in our province, with a daily output of 80,000 bags of Pleurotus eryngii, directly lifting more than 200 poor households out of poverty. During this trip, Cheng Yan and others provided detailed guidance on the optimization of the company's production formula, technological innovation, and management techniques in cultivation. Cheng Yan's professional explanation and patient guidance have been unanimously recognized and praised by the company's leaders and technical staff.