What types of sewing machines do intelligent sewing machine manufacturers tell you?

An intelligent sewing machine, also known as a dial linking machine, commonly known as a sewing machine, is a machine that uses sewing thread to sew sweater cuffs.
1、 The bending needle sewing machine is currently the most widely sold and used in the market. The bending needle sewing machine is inexpensive, easy to operate and maintain, and has high production efficiency, which is widely favored by consumers;
The second is the straight needle sewing disc machine, which is characterized by changing the traditional connecting rod structure of the disc sewing machine in the past. All parts are driven by a cam method, and the whole machine is not easily deformed. Straight large needles have strong penetration power and are particularly suitable for sewing thick fabrics. They are not easy to damage or break fabrics, and their prices are higher than those of curved needles;
The third is the fully automatic sewing machine, which is a high standard and efficient sweater fast sewing machine with a stable structure and low failure rate. However, the price is high, ranging from tens of thousands per unit, and has not been promoted in China;
The fourth is the straight seam sewing machine, which is good for sewing straight seams. It cannot solve the problem of upper collar, and its function is basically similar to the automatic sewing machine mentioned above;