Our company has been in existence for more than ten years, and it is more difficult to change than some emerging companies, but we still intend to continue on the road of lean production. It is inevitable that you can find it by chance. It is inevitable that you can communicate with your salesmen in the early stage. The professionalism of your salesmen is relatively high, although the knowledge of some professional lean tube production is still not I understand it very well, but it is very good from the business, the communication is very smooth, the design plan is very efficient, and we are very satisfied with the final product quality.