Heilongjiang Xiangyuan Co., Ltd. covers an area of 60,000 square meters, with a building area of 23,000 square meters. Total assets of 150 million yuan, including fixed assets of 73.5 million yuan. It handles 300,000 tons of soybeans, produces 180,000 tons of extruded meal and 60,000 tons of refined salad oil, and makes a profit of 86 million yuan and pays tax of 30 million yuan. The oil processing equipment of the company is the oil soaking equipment in the domestic market at present. On this basis, we have introduced some foreign advanced production equipment of the same kind, and changed the traditional single production mode. The extruder with American technology is used to process the traditional billet meal into extruded meal. Some equipment in refining workshop was improved, and a new continuous refining process combining physical refining with chemical refining was adopted, which could simultaneously refine the crude oil extracted from soybean with different qualities, so... [Detailed introduction]