The zero 2# production line of the second production department has entered the trial production stage after two months of intensive installation and commissioning and on-site acceptance by safety and environment, quality assurance, technology and other relevant departments. The zero degree new production line has more advantages in production speed and product quality, and the operation is more convenient and reduces the labor intensity of employees. The operation of the new production line lays a good foundation for the increase of later production plan and the improvement of product quality.