... is widely used in many process. 1.Summary: in many paper mills, color printing factory, dyeing and weaving mill, electric wire ... . 2.During the involution processing , deal with something such as paper, cloth, lines, metal foils, Film material and products, these all ... rewind and unwind. 3.A complete set of tension control system, its basic elements including controller, clutch and brake. 4.Tension ...