... & manufacture, Steel structure,Shipbuilding, Bridging ,Automobile chassisMain marketMiddle East, Africa, Asia and some European country and America ,AustraliaCountry of originChinaProductivity20,000 ... days .Company informationWe, North Advanced Science And Technology ( Tianjin) Industrial Co.,ltd located in Daqiuzhuang Industrial park ,Tianjin ,China , we mainly produce ...