... world.1) Company introduction Company nameQingdao Baoduo Steel Structure Co.,LTD. Regtime2001Employees quantityabout 200 peopleFactory size26000 ... following .Websitewww.baoduo.com Production capacity Main steel structure 20000mts, secondary steel 15000mts, various profiling steel ... high strengthen bolts,nuts, plates, washers ,flange, tension rod ,crane etc.Packing and transport: main frame load ...