Zhengjiang Ruian City Auto Electric Factory, Found in 1983, is located in east of ***** company mainly produce electric series , it is include controlled air horn, electric-pneumatic horn, preheater and air dryer. Our business has grown in strength and the products exported to Southeast Asia , the middle east , South America, Western Europe and other countries and regions. we are welcome new and old customers calling or sending the business letter to build the long business .