Changzhou jiejiegao Electronic Technology Co., Ltd., established in August, 2004, is located in Changzhou high tech Development Zone, Jiangsu Province. The company focuses on sheet metal manufacturing and surface treatment for railway transportation. Our company has more than 15 years of experience in the development, manufacturing and sales of intelligent software in the field of optoelectronic integration, which is applicable to the financial industry. We also provide mechanical solutions for many world-class customers and maintain close cooperation with them, such as sigma in Australia, Merak in the United States, Karl mayor in Germany, CAF in Spain, Siemens in Germany and ste in Singapore.