Zhenjiang Tongzhou Propeller Co.,Ltd., belonging to China High Speed Transmission Equipment Group Co.,Ltd., is an enterprise specialized in the manufacture of various types of marine propellers, which, situated in Dingmao Economic Development Zone, Zhenjiang, Jiangsu Province, Where is concentrated in industries and convenient in communications, and covering an area of 120mou, including 35,000m2 of wordshop buildings and 4,000m2 of coffice buildings, is one of the large-sized marine propeller manufactures in the country.