Rosy Cranes Pvt. Ltd. Manufactures Chain Pulley Blocks and Monorails. Rosy Cranes Pvt. Ltd. Offers material handling equipments like Cranes, Heavy Duty Winches, Electric Hoists, Chain Pulley Blocks and Monorails. The Chain Pulley Blocks and Monorails are pulleys that are mainly used on i-section beams.