Mechanical structure with stainless steel welded square tube Jiangxi square tube specifications, standard number GB / T12770-1991. Representative material 0Cr13,1Cr17,00Cr19Ni11,1Cr18Ni9,0Cr18Ni11Nb like. Mainly used in machinery, automobiles, bicycles, furniture, hotel and restaurant decoration and other mechanical components and structures. Mechanical structure with stainless steel welded pipe, standard number GB / T12770-1991. Representative material 0Cr13,1Cr17,00Cr19Ni11,1Cr18Ni9,0Cr18Ni11Nb like. Mainly used in machinery, automobiles, bicycles, furniture, hotel and restaurant decoration and other mechanical components and structures. Geological Drilling square steel (YB235-70) is for geological department of square steel core drilling, use can be divided into the drill pipe, drill collar, core pipe, casing and precipitation tubes. Diamond core drilling large diameter Rectangular Pipe (GB3423-82) is a drill, core rods used for diamond core drilling large diameter casing Rectangular Pipe. Mastery _ galvanized square tube steel association (online consultation) _ Jiangxi square tube from the Tianjin Steel Trade Co., Ltd. Mastery. Mastery of Tianjin Steel Trade Co., Ltd. (www.tjtdgl.com) (www.tdglgt.com) Shandong Liaocheng, steel leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer demand. Mastery Steel Union leaders in the staff warmly welcome all inquiries negotiations to create accessible VAI better future.