Long Queen Co. LTD, registered capital of 50 million , over 2000 staffs ,and the area of 26400 square meters,is the largest stainless steel jewelry factory in the world with design , production and sale.The factory has the most advanced production management system, with the scientific quality management system ,especially 3D printing ,playing version only need 8 hours , can meet the production requirements of various kinds of stainless steel jewelry .On Mar.22th ,2016 ,Long Queen Jewelry Ecological Park is the major project in Chang An . In the next five years , the Long Queen Jewelry Ecological Park will continue to invest 100 million yuan to build an annual output of about 9 billion yuan, environmental protection ,efficient ,intelligent ,accessories production and marketing research the integration of the global ecological park .