A: 3 d take independent research and development of automated quotation system, the unit price is fixed, do good faith transparent, not malicious items, not low price cuts. After placing orders, 3 d whole process of the implementation of ERP management system, the professional division of labor in place on the construction site, coordination and cooperation. 3 d build to take the most beneficial to the customer service center to the requirements of a product for the customer products provide printing and post-processing services, unified platform for quality management, to ensure customer delivery of products, to better control quality.