The particle size of raw materials is controlled, and the time and temperature are controlled and cooked during production.Degree of field test, perform standardized mixing.Control the canning quantity, and strengthen the control of sterilization time and temperature.System, prolong the cooling time after sterilization.The solid content of the finished product is above 70%, so that sugar water can cover the beans to avoid oxidative browning Meanwhile, the cooling time after sterilization is prolonged.Ultra-high temperature sterilization process without additives.Accurate sugar control ensures that the flavor meets the needs of various customers.