Recycling. Linqu Ding Xin Chain Store specializes in buying, pawning and replacing gold, platinum, palladium and diamonds, so Weifang Xinyuan Gold Store recycles gold and provides door-to-door recycling business. The company's business covers Weifang Qingzhou, Linqu, Shouguang, Changle, Kuiwen, Gaoxin and surrounding areas such as Yiyuan, Boshan and Linzi.