... /14, 30/16,40/16,40/16S,40/20,52/26 DingRun High Quality Self-drilling Anchor Bolt R251)Business Type ... PIPES & TUBES, based in Jiangyin city, Yangtze River Delta, China. The factory locates alongside the Xicheng River of Yuecheng Town, which is the most ... developed region in China. Huning highway, Yanjiang highway, ...