Zhoushan East Ocean Propeller Manufacturing Co., Ltd. was founded in 1983. It is a professional enterprise that manufactures various grades of copper propellers, copper sleeves, and various anti-corrosion zinc block series with a diameter of less than 8 meters. At the same time, it produces underwater ship accessories (tail shaft system, rudder shaft system, rudder stock and other marine products), has a complete set of production and processing lines, and is matched with propellers before leaving the factory. The company currently covers an area of 28500 square meters, with a factory area of 11000 square meters and 5500 square meters of office and living spaces. We have 150 employees, including 25 technical management talents. The workshop has complete production equipment, precise testing equipment, and advanced processing technology. The company has physical and chemical center experimental facilities, furnace front rapid analyzer, vacuum test, bending test, bottom blowing nitrogen, CNC pitch meter and balance test; We have a specialized propeller processing machine with a length of less than 8 meters, a production line for tail shaft, rudder shaft, rudder stock, and rudder blades, a heavy-duty horizontal lathe 61160 × 12/20-BT, a digital heavy-duty floor boring machine T × 6213A, a four axis heavy-duty gantry milling machine 1.6m × 5m, a Z3080 100mm rocker drilling machine, a horizontal TR100B1 lathe, a universal milling machine × 6122A, and a general lathe 6140. The company has a 25 year history of manufacturing copper propellers and has achieved good economic and social benefits. Its products are distributed throughout the coastal areas of China and exported to countries and regions such as Germany, the United States, and Peru.