1. High-quality accessories ensure high-speed operation: high-quality cast iron with long-term treatment and aging is used to prevent deformation of accessories and ensure perennial operation and stability of the machine. The needle cylinder and triangle are made of imported steel materials, which have been precision machined and professionally heat treated to improve hardness and wear resistance, making the machine durable 2. The conversion between sweater machine and towel machine can be completed by changing a few accessories 3. Application range: vest, T-shirt, Polo shirt, sportswear, underwear or seamless single-sided fabric, medical single-sided fabric, etc.