weifang xinshengrong machinery accessories co., ltd. (formerly shengrong foundry) is a comprehensive company specializing in the production and operation of ductile iron manhole covers, cast iron grates, ductile iron grates, anti-segmentation manhole covers, tree pond grates, flexible cast iron drainage pipes and ductile iron water supply pipes and fittings. estimated to be 71.14% 1 name: weifang xinshengrong machinery accessories co., ltd. 30 people
