The company is a national well-known designer and manufacturer of controllable pitch propeller, able to do matching and optimizing solution of ship-gearbox-CPP according to different ship type and shafting arrangement, and can provide various specifications CPP of 1000mm~7000mm in diameter and up to ten-thousands kilowatt transmission capacity. In recent years, over 100 sets of CPP have been successfully developed, which reaching international advance technical level, and well received by customers. With design capability on integrated propulsion system including marine gearbox, high flexible coupling, shafting, CPP, hydraulic system and remote control system, the company is one of few suppliers for ship propulsion system in the country.