Qingdao Xinguangzheng Group Co.,Ltd , experiencing so much baptism in past ten years since its inception, has become more and more strong! The Group ?????????s businesses cover steel materials, steel structure engineering, wood-based panels machinery, cranes, air compressor, new building materials, machinery processing and international trade, all of which have made great progress. With continuously improvement in production technology and services and the staff?????????s spirit and virtue of the wisdom ...