The hot-dip galvanizing pipe is made by pickling the steel pipe to remove the iron oxide on the Read More. Heavy Duty Scaffolding Prop Steel prop is widely used in the scaffolding systems. Tianyingtai Scaffolding Manufacturer Co. is committed to long-term development, creating high-quality products and services, with the same pursuit of About Us-Tianjin Tianyingtai Steel Pipe Co.LtdEmail:[email protected] Web:tytsteeltubes. tyt-steelpipe. Add:200m East, Jingwang Road And Chenda Road, Daqiuzhuang Town, Jinghai Country, Tianjin, China. Home > About Us. Tianjin Tianyingtai Steel Group is located in Jinghai county, Tianjin, producing and supplying various steel pipes (round/square/rectangular/ precision) and other related steel products.