Friend engineering corporation manufactures various types of box plants, printing and binding machineries. Thread book sewing machine is a part of those products. Thread book sewing machine has been established as top level production leaving conventional stitchers far behind. The machine is provided with latest technology and functions. It is fully enclosed, compact and robust in construction. It is reliable, efficient and capable of intricate block construction. It has very good accessibility to all structural units. The machine is absolutely free from risk prone possibilities as the same has been provided with electro magnetic system for instant magnetic brake in adverse conditions.