Cixi Three Circle Diesel Engine Co., Ltd. are sino-foreign joint venture companies which cooperated by Cixi Three Circle Diesel Engine Works and British Yangtze Delta Investment Ltd. one of the earliest special manufactures to produce small output diesel engines and possessed the No. 1 assembling and testing lines in China. The annual productive capacity is 300,000 sets. TRI-CIRCLE brand diesel engines are the main products of company which are characterized by small volume, light weight, low fuel consumption, flexibility in starting and goods reliability etc. The various products with good quality can be widely coupled as agricultural power unites. The company have 2HP-18HP air-cooled and water-cooled two series of engines and 1KW-3KWgenerator sets and water pumps ect. Products have had good quality and excellent service which have been awarded the golden title of excellent quality by the State and the Ministry Machine Industry Commission and awarded the silver medal at international fair. Products are sold well at home and abroad.