Ivy Machinery (Nanjing) Co., Ltd. is a foreign investors-owned enterprise for the development and mass production of automatic bus door systems, located in Nanjing Pukou Zhujiang Park. We offer the world-class equipment to clients in the fast growing Asia-pacific transportation industry. Founded in 2004, we have become a leading bus door system manufacturer in Asia. We are a supplier of door system of VOLVO and we are also the exclusive bus door system supplier for Chinese bus manufacturers, such as Aihui Ankai Automobile Co. Ltd., Zhengzhou Yutong Group Co., Ltd., Chengdu Bus Co. Ltd. and Guangzhou Denway Bus Co. Ltd. Our products have been exported to North America (such as the USA) and Southeast Asia (such as Indonesia and Singapore). Africa(south africa, and egypt).Ivy has already got ISO9001:2000 certification and ISO/TS16949:2000 certification.Besides bus door systems, Ivy, one of leading suppliers in modernized equipment of Chinese city bus and railway vehicle, has its main products lying in all kinds of door systems for railway vehicle, platform screen door, automatic fare collections(AFC) and car window etc.