In order to promote product and technology exchange between users and our company, and to further understand the needs of our customers. According to the training plan of Beijing Metro Line 14 project, a group of 8 people from Jinggang Metro came to our Suzhou headquarters to attend the training on the use and maintenance of our products on July 3-4, 2014. During the two-day training, our technical engineer explained in detail the technical features of our products and maintenance precautions to the staff of Beijing Metro, and made a live operation demonstration. The technical staff of Jinggang Subway had a complete understanding of our products and technical features. Through questions and discussions during the training, we also learnt about the needs and concerns of our customers.