Bharat Bobbins Ltd. Manufactures Weaver Beams for High Weaving Efficiency. Bharat Bobbins Ltd., an ISO certified company also offers warper beams, cloth rolls, batch winder and auto doffing mechanism. Weaver Beams for High Weaving Efficiency are meant for rapier and air jet weaving machines. The Weaver Beams for High Weaving Efficiency provide very good tension and weaving Quality. The Weaver Beams for High Weaving Efficiency have a flange diameter of 550-1600 mm and 540 cms working width.